diff --git a/.circleci/config.yml b/.circleci/config.yml
index 84fc56f4..ae0c56cb 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -14,13 +14,11 @@ jobs:
             sudo systemsetup -settimezone Europe/Warsaw
             echo "Today is $(date +"%Y-%m-%d %T")"
 
-      - restore_cache:
-          name: Restore Yarn Package Cache
-          keys:
-            - yarn-packages-{{ .Branch }}-{{ checksum "yarn.lock" }}
-            - yarn-packages-{{ .Branch }}
-            - yarn-packages-master
-            - yarn-packages-
+#      - restore_cache:
+#          name: Restore Yarn Package Cache
+#          keys:
+#            - dependency-cache-{{ checksum "yarn.lock" }}
+#            - dependency-cache-
 
       - run:
           name: Install project
@@ -30,11 +28,11 @@ jobs:
             yarn || true
             yarn || true
 
-      - save_cache:
-          name: Save Yarn Package Cache
-          key: yarn-packages-{{ .Branch }}-{{ checksum "yarn.lock" }}
-          paths:
-            - node_modules/
+#      - save_cache:
+#          name: Save Yarn Package Cache
+#          key: dependency-cache-{{ checksum "yarn.lock" }}
+#          paths:
+#            - ./node_modules
 
       - run:
           name: Building WebUI for distribution
diff --git a/main.js b/main.js
index f7158332..3edd904e 100644
--- a/main.js
+++ b/main.js
@@ -1,22 +1,39 @@
 const electron = require('electron');
-var fs = require('fs');
-// Module to control application life.
+const fs = require('fs');
 const app = electron.app;
-// Module to create native browser window.
 const BrowserWindow = electron.BrowserWindow;
-
 const path = require('path');
 const url = require('url');
+const yargs = require('yargs');
+
+require('./sentry');
 
 // Keep a global reference of the window object, if you don't, the window will
 // be closed automatically when the JavaScript object is garbage collected.
 let mainWindow;
-
 let serverProc = null;
-
 let isWin = /^win/.test(process.platform);
+let isDev = false;
+
+const argv = yargs
+  .describe('m', 'Maximizes window on startup.')
+  .boolean('m')
+  .describe('e', 'Environment, `dev` for developer mode and when not specified then production mode. ')
+  .choices('e', ['dev', null])
+  .argv;
+
+if (argv.e == 'dev') {
+  isDev = true;
+}
+
 
 const createServerProc = () => {
+  const directory = path.join(__dirname, 'dist');
+
+  if (!fs.existsSync(directory)) {
+    return;
+  }
+
   fs.readdir(path.join(__dirname, 'dist'), (err, files) => {
     var serverPath = null;
 
@@ -43,8 +60,10 @@ const createServerProc = () => {
 }
 
 const exitServerProc = () => {
-  serverProc.kill();
-  serverProc = null;
+  if(serverProc) {
+    serverProc.kill();
+    serverProc = null;
+  }
 }
 
 
@@ -53,15 +72,26 @@ function createWindow () {
   mainWindow = new BrowserWindow({width: 800, height: 600});
 
   // and load the index.html of the app.
-  mainWindow.loadURL(url.format({
-    pathname: path.join(__dirname, 'dist/index.html'),
-    protocol: 'file:',
-    slashes: true
-  }));
+
+  if(isDev) {
+    mainWindow.loadURL('http://localhost:4200/');
+    mainWindow.webContents.openDevTools();
+  }
+  else {
+    mainWindow.loadURL(url.format({
+      pathname: path.join(__dirname, 'dist/index.html'),
+      protocol: 'file:',
+      slashes: true
+    }));
+  }
 
   // Open the DevTools.
   // mainWindow.webContents.openDevTools();
 
+  if(argv.m) {
+    mainWindow.maximize();
+  }
+
   // Emitted when the window is closed.
   mainWindow.on('closed', function () {
     // Dereference the window object, usually you would store windows
@@ -98,3 +128,5 @@ app.on('activate', function () {
 
 // In this file you can include the rest of your app's specific main process
 // code. You can also put them in separate files and require them here.
+
+
diff --git a/package.json b/package.json
index 1da08b8e..f0ab17e2 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,8 @@
     "test": "ng test",
     "lint": "ng lint",
     "e2e": "ng e2e",
-    "electrondev": "concurrently -k \"yarn startforelectron\" \"electron .\"",
+    "electron": "electron .",
+    "electrondev": "concurrently -k \"yarn startforelectron\" \"electron . -e dev\"",
     "distlinux": "yarn buildforelectron && electron-builder --linux --x64",
     "distwin": "yarn buildforelectron && electron-builder --win --x64",
     "distmac": "yarn buildforelectron && electron-builder --mac --x64",
@@ -36,20 +37,25 @@
     "@angular/platform-browser-dynamic": "^5.2.1",
     "@angular/router": "^5.2.1",
     "@ng-bootstrap/ng-bootstrap": "^1.0.0-beta.9",
+    "angular-persistence": "^1.0.1",
     "angular2-hotkeys": "^2.0.4",
     "angular2-indexeddb": "^1.2.2",
     "bootstrap": "4.0.0",
     "core-js": "^2.4.1",
     "d3-ng2-service": "^1.23.3",
+    "electron-settings": "^3.1.4",
+    "ngx-electron": "^1.0.4",
     "npm-check-updates": "^2.13.0",
     "raven-js": "^3.24.0",
     "rxjs": "^5.4.1",
+    "yargs": "^11.0.0",
     "zone.js": "^0.8.20"
   },
   "devDependencies": {
     "@angular/cli": "^6.0.0-beta.5",
     "@angular/compiler-cli": "^5.2.1",
     "@angular/language-service": "^5.2.1",
+    "@sentry/electron": "^0.4.2",
     "@types/jasmine": "~2.8.5",
     "@types/jasminewd2": "~2.0.2",
     "@types/node": "~9.6.0",
diff --git a/sentry.js b/sentry.js
new file mode 100644
index 00000000..8a02bf08
--- /dev/null
+++ b/sentry.js
@@ -0,0 +1,26 @@
+const { SentryClient } = require('@sentry/electron');
+const fs = require('fs');
+const { ipcMain } = require('electron');
+
+let crashReportsEnabled = true;
+const DSN =
+  'https://cb7b474b2e874afb8e400c47d1452ecc:7876224cbff543d992cb0ac4021962f8@sentry.io/1040940';
+
+const isDev = () => {
+  return fs.existsSync('.git');
+};
+
+const shouldSendCallback = () => {
+  return !isDev() && crashReportsEnabled;
+};
+
+
+ipcMain.on('settings.changed', function (event, settings) {
+  crashReportsEnabled = settings.crash_reports;
+});
+
+
+SentryClient.create({
+  dsn: DSN,
+  shouldSendCallback: shouldSendCallback
+});
diff --git a/src/app/app-routing.module.ts b/src/app/app-routing.module.ts
index efbda56f..3691417b 100644
--- a/src/app/app-routing.module.ts
+++ b/src/app/app-routing.module.ts
@@ -7,6 +7,7 @@ import { ProjectMapComponent } from './project-map/project-map.component';
 import { ServersComponent } from "./servers/servers.component";
 import { ProjectsComponent } from "./projects/projects.component";
 import { DefaultLayoutComponent } from "./default-layout/default-layout.component";
+import { SettingsComponent } from "./settings/settings.component";
 
 
 const routes: Routes = [
@@ -14,7 +15,8 @@ const routes: Routes = [
     children: [
       { path: '', redirectTo: 'servers', pathMatch: 'full'},
       { path: 'servers', component: ServersComponent },
-      { path: 'server/:server_id/projects', component: ProjectsComponent }
+      { path: 'server/:server_id/projects', component: ProjectsComponent },
+      { path: 'settings', component: SettingsComponent },
     ]
   },
   { path: 'server/:server_id/project/:project_id', component: ProjectMapComponent },
diff --git a/src/app/app.component.spec.ts b/src/app/app.component.spec.ts
index fa26fe63..82bc43b4 100644
--- a/src/app/app.component.spec.ts
+++ b/src/app/app.component.spec.ts
@@ -1,30 +1,74 @@
-import { TestBed, async } from '@angular/core/testing';
+import { TestBed, async, ComponentFixture } from '@angular/core/testing';
 import { RouterTestingModule } from '@angular/router/testing';
 
 import { AppComponent } from './app.component';
+import { MatIconModule } from "@angular/material";
+import { SettingsService } from "./shared/services/settings.service";
+import { PersistenceService } from "angular-persistence";
+import { ElectronService, NgxElectronModule } from "ngx-electron";
+import createSpyObj = jasmine.createSpyObj;
+
 
 describe('AppComponent', () => {
+  let component: AppComponent;
+  let fixture: ComponentFixture<AppComponent>;
+  let electronService: ElectronService;
+  let settingsService: SettingsService;
+
   beforeEach(async(() => {
     TestBed.configureTestingModule({
         declarations: [
-            AppComponent
+          AppComponent
         ],
         imports: [
-            RouterTestingModule
+          RouterTestingModule,
+          MatIconModule,
+          NgxElectronModule
+        ],
+        providers: [
+          SettingsService,
+          PersistenceService,
         ]
     }).compileComponents();
+
+    electronService = TestBed.get(ElectronService);
+    settingsService = TestBed.get(SettingsService);
   }));
 
-  // it('should create the app', async(() => {
-  //   const fixture = TestBed.createComponent(AppComponent);
-  //   const app = fixture.debugElement.componentInstance;
-  //   expect(app).toBeTruthy();
-  // }));
+  beforeEach(() => {
+    fixture = TestBed.createComponent(AppComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
 
-  // it('should have footer', async(() => {
-  //   const fixture = TestBed.createComponent(AppComponent);
-  //   fixture.detectChanges();
-  //   const compiled = fixture.debugElement.nativeElement;
-  //   expect(compiled.querySelector('.text-muted').textContent).toContain('GNS3 Web UI demo');
-  // }));
+  it('should create the app', async(() => {
+    const app = fixture.debugElement.componentInstance;
+    expect(app).toBeTruthy();
+  }));
+
+  it('should have footer', async(() => {
+    const compiled = fixture.debugElement.nativeElement;
+    expect(compiled.querySelector('router-outlet').textContent).toEqual('');
+  }));
+
+  it('should receive changed settings and forward to electron', async(() => {
+    const spy = createSpyObj('Electron.IpcRenderer', ['send']);
+    spyOnProperty(electronService, 'isElectronApp').and.returnValue(true);
+    spyOnProperty(electronService, 'ipcRenderer').and.returnValue(spy);
+    settingsService.set('crash_reports', true);
+    component.ngOnInit();
+    settingsService.set('crash_reports', false);
+    expect(spy.send).toHaveBeenCalled();
+    expect(spy.send.calls.mostRecent().args[0]).toEqual('settings.changed');
+    expect(spy.send.calls.mostRecent().args[1].crash_reports).toEqual(false);
+  }));
+
+  it('should receive changed settings and do not forward to electron', async(() => {
+    const spy = createSpyObj('Electron.IpcRenderer', ['send']);
+    spyOnProperty(electronService, 'isElectronApp').and.returnValue(false);
+    settingsService.set('crash_reports', true);
+    component.ngOnInit();
+    settingsService.set('crash_reports', false);
+    expect(spy.send).not.toHaveBeenCalled();
+  }));
 });
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 35a74157..123baa5f 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -1,7 +1,9 @@
 import { Component, OnInit } from '@angular/core';
-import {Http} from "@angular/http";
-import {MatIconRegistry} from "@angular/material";
-import {DomSanitizer} from "@angular/platform-browser";
+import { MatIconRegistry } from "@angular/material";
+import { DomSanitizer } from "@angular/platform-browser";
+import { ElectronService } from "ngx-electron";
+import { SettingsService } from "./shared/services/settings.service";
+
 
 @Component({
   selector: 'app-root',
@@ -11,10 +13,20 @@ import {DomSanitizer} from "@angular/platform-browser";
   ]
 })
 export class AppComponent implements OnInit {
-    constructor(http: Http, iconReg: MatIconRegistry, sanitizer: DomSanitizer) {
+    constructor(
+      iconReg: MatIconRegistry,
+      sanitizer: DomSanitizer,
+      private settingsService: SettingsService,
+      private electronService: ElectronService) {
+
       iconReg.addSvgIcon('gns3', sanitizer.bypassSecurityTrustResourceUrl('./assets/gns3_icon.svg'));
   }
 
   ngOnInit(): void {
+    if (this.electronService.isElectronApp) {
+      this.settingsService.subscribe((settings) => {
+        this.electronService.ipcRenderer.send('settings.changed', settings);
+      });
+    }
   }
 }
diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index 00880b78..37734db1 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -1,7 +1,6 @@
 import * as Raven from 'raven-js';
 import { BrowserModule } from '@angular/platform-browser';
 import { NgModule, ErrorHandler } from '@angular/core';
-import { HttpModule } from '@angular/http';
 import { FormsModule } from '@angular/forms';
 import { CdkTableModule } from "@angular/cdk/table";
 import { HttpClientModule } from '@angular/common/http';
@@ -19,13 +18,17 @@ import {
   MatDialogModule,
   MatProgressBarModule,
   MatProgressSpinnerModule,
-  MatSnackBarModule
+  MatSnackBarModule,
+  MatCheckboxModule,
+  MatListModule,
+  MatExpansionModule,
 } from '@angular/material';
 
 import { D3Service } from 'd3-ng2-service';
 import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
-
 import { HotkeyModule } from 'angular2-hotkeys';
+import { PersistenceModule } from 'angular-persistence';
+import { NgxElectronModule } from 'ngx-electron';
 
 import { AppRoutingModule } from './app-routing.module';
 
@@ -66,21 +69,15 @@ import { DrawingsDataSource } from "./cartography/shared/datasources/drawings-da
 import { MoveLayerDownActionComponent } from './shared/node-context-menu/actions/move-layer-down-action/move-layer-down-action.component';
 import { MoveLayerUpActionComponent } from './shared/node-context-menu/actions/move-layer-up-action/move-layer-up-action.component';
 import { ProjectMapShortcutsComponent } from './project-map/project-map-shortcuts/project-map-shortcuts.component';
+import { SettingsComponent } from './settings/settings.component';
+import { SettingsService } from "./shared/services/settings.service";
 
-import { environment } from "../environments/environment";
+import { RavenErrorHandler } from "./raven-error-handler";
 
 Raven
   .config('https://b2b1cfd9b043491eb6b566fd8acee358@sentry.io/842726')
   .install();
 
-export class RavenErrorHandler implements ErrorHandler {
-  handleError(err:any) : void {
-    console.error(err.originalError || err);
-    if (environment.production) {
-      Raven.captureException(err.originalError || err);
-    }
-  }
-}
 
 
 @NgModule({
@@ -102,11 +99,11 @@ export class RavenErrorHandler implements ErrorHandler {
     MoveLayerDownActionComponent,
     MoveLayerUpActionComponent,
     ProjectMapShortcutsComponent,
+    SettingsComponent,
   ],
   imports: [
     NgbModule.forRoot(),
     BrowserModule,
-    HttpModule,
     HttpClientModule,
     AppRoutingModule,
     FormsModule,
@@ -123,11 +120,17 @@ export class RavenErrorHandler implements ErrorHandler {
     MatProgressBarModule,
     MatProgressSpinnerModule,
     MatSnackBarModule,
+    MatCheckboxModule,
+    MatListModule,
+    MatExpansionModule,
     CdkTableModule,
     CartographyModule,
-    HotkeyModule.forRoot()
+    HotkeyModule.forRoot(),
+    PersistenceModule,
+    NgxElectronModule
   ],
   providers: [
+    SettingsService,
     { provide: ErrorHandler, useClass: RavenErrorHandler },
     D3Service,
     VersionService,
diff --git a/src/app/default-layout/default-layout.component.css b/src/app/default-layout/default-layout.component.css
index 5f4933e8..f08c30e4 100644
--- a/src/app/default-layout/default-layout.component.css
+++ b/src/app/default-layout/default-layout.component.css
@@ -58,3 +58,10 @@ main {
   text-align: right;
 }
 
+.fill-space {
+  flex: 1 1 auto;
+}
+
+.example-container > * {
+  width: 100%;
+}
diff --git a/src/app/default-layout/default-layout.component.html b/src/app/default-layout/default-layout.component.html
index f6648b16..cfe2f4e8 100644
--- a/src/app/default-layout/default-layout.component.html
+++ b/src/app/default-layout/default-layout.component.html
@@ -5,6 +5,12 @@
     </button>
 
     <button mat-button routerLink="/servers" >Servers</button>
+
+    <span class="fill-space"></span>
+
+    <button mat-button routerLink="/settings" >
+      <mat-icon>settings</mat-icon>
+    </button>
   </mat-toolbar>
 </header>
 
@@ -13,6 +19,6 @@
 </main>
 
 <footer class="footer mat-app-background">
-  GNS3 Web UI demo &copy; 2017
+  GNS3 Web UI demo &copy; 2018
 </footer>
 
diff --git a/src/app/raven-error-handler.spec.ts b/src/app/raven-error-handler.spec.ts
new file mode 100644
index 00000000..9c295851
--- /dev/null
+++ b/src/app/raven-error-handler.spec.ts
@@ -0,0 +1,48 @@
+import { TestBed } from '@angular/core/testing';
+import { PersistenceService } from "angular-persistence";
+
+import * as Raven from 'raven-js';
+
+import { SettingsService } from "./shared/services/settings.service";
+import { RavenErrorHandler } from "./raven-error-handler";
+import { environment } from "../environments/environment";
+
+
+describe('RavenErrorHandler', () => {
+  let handler: RavenErrorHandler;
+  let settingsService: SettingsService;
+  const inProductionOriginal = environment.production;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [SettingsService, PersistenceService, RavenErrorHandler]
+    });
+
+    settingsService = TestBed.get(SettingsService);
+    handler = TestBed.get(RavenErrorHandler);
+  });
+
+  afterEach(() => {
+    environment.production = inProductionOriginal;
+  });
+
+  it('should create', () => {
+    expect(handler).toBeTruthy();
+  });
+
+  it('should handle error', () => {
+    settingsService.set('crash_reports', true);
+    const error = new Error("My error");
+    const captureException = spyOn(Raven, 'captureException');
+    environment.production = true;
+    handler.handleError(error);
+    expect(captureException).toHaveBeenCalledWith(error);
+  });
+
+  it('should not handle when not in production', () => {
+    const captureException = spyOn(Raven, 'captureException');
+    environment.production = false;
+    handler.handleError(new Error("My error"));
+    expect(captureException).not.toHaveBeenCalled();
+  });
+});
diff --git a/src/app/raven-error-handler.ts b/src/app/raven-error-handler.ts
new file mode 100644
index 00000000..6e85b8de
--- /dev/null
+++ b/src/app/raven-error-handler.ts
@@ -0,0 +1,20 @@
+import * as Raven from 'raven-js';
+
+import { ErrorHandler, Inject, Injector } from "@angular/core";
+
+import { SettingsService } from "./shared/services/settings.service";
+import { environment } from "../environments/environment";
+
+
+export class RavenErrorHandler implements ErrorHandler {
+  constructor(@Inject(Injector) private injector: Injector) {}
+
+  handleError(err: any): void {
+    const settingsService: SettingsService = this.injector.get(SettingsService);
+    console.error(err.originalError || err);
+
+    if (environment.production && settingsService.get('crash_reports')) {
+      Raven.captureException(err.originalError || err);
+    }
+  }
+}
diff --git a/src/app/settings/settings.component.html b/src/app/settings/settings.component.html
new file mode 100644
index 00000000..bf1ad8aa
--- /dev/null
+++ b/src/app/settings/settings.component.html
@@ -0,0 +1,28 @@
+<div class="content">
+  <div class="default-header">
+    <h1>Settings</h1>
+  </div>
+  <div class="default-content">
+    <div class="example-container mat-elevation-z8">
+      <mat-accordion>
+        <mat-expansion-panel>
+          <mat-expansion-panel-header>
+            <mat-panel-title>
+              Local settings
+            </mat-panel-title>
+            <mat-panel-description>
+              Customize your local settings
+            </mat-panel-description>
+          </mat-expansion-panel-header>
+
+          <mat-checkbox class="example-margin" [(ngModel)]="settings.crash_reports">Send anonymous crash reports</mat-checkbox>
+
+        </mat-expansion-panel>
+      </mat-accordion>
+    </div>
+
+    <div class="buttons-bar">
+      <button mat-raised-button color="primary" (click)="save()">Save settings</button>
+    </div>
+  </div>
+</div>
diff --git a/src/app/settings/settings.component.scss b/src/app/settings/settings.component.scss
new file mode 100644
index 00000000..e69de29b
diff --git a/src/app/settings/settings.component.spec.ts b/src/app/settings/settings.component.spec.ts
new file mode 100644
index 00000000..c5a151e6
--- /dev/null
+++ b/src/app/settings/settings.component.spec.ts
@@ -0,0 +1,53 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SettingsComponent } from './settings.component';
+import { MatCheckboxModule, MatExpansionModule } from "@angular/material";
+import { FormsModule } from "@angular/forms";
+import { SettingsService } from "../shared/services/settings.service";
+import { PersistenceModule } from "angular-persistence";
+import { BrowserAnimationsModule } from "@angular/platform-browser/animations";
+
+describe('SettingsComponent', () => {
+  let component: SettingsComponent;
+  let fixture: ComponentFixture<SettingsComponent>;
+  let settingsService: SettingsService;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [
+        MatExpansionModule, MatCheckboxModule, FormsModule,
+        PersistenceModule, BrowserAnimationsModule ],
+      providers: [ SettingsService ],
+      declarations: [ SettingsComponent ]
+    })
+    .compileComponents();
+
+    settingsService = TestBed.get(SettingsService);
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SettingsComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+
+  it('should get and save new settings', () => {
+    const settings = {
+      'crash_reports': true
+    };
+    const getAll = spyOn(settingsService, 'getAll').and.returnValue(settings);
+    const setAll = spyOn(settingsService, 'setAll');
+    component.ngOnInit();
+    expect(getAll).toHaveBeenCalled();
+    expect(component.settings).toEqual(settings);
+    component.settings.crash_reports = false;
+    component.save();
+    expect(setAll).toHaveBeenCalledWith(settings);
+  });
+
+
+});
diff --git a/src/app/settings/settings.component.ts b/src/app/settings/settings.component.ts
new file mode 100644
index 00000000..960cf27e
--- /dev/null
+++ b/src/app/settings/settings.component.ts
@@ -0,0 +1,21 @@
+import { Component, OnInit } from '@angular/core';
+import { SettingsService } from "../shared/services/settings.service";
+
+@Component({
+  selector: 'app-settings',
+  templateUrl: './settings.component.html',
+  styleUrls: ['./settings.component.scss']
+})
+export class SettingsComponent implements OnInit {
+  settings = { ...SettingsService.DEFAULTS };
+
+  constructor(private settingsService: SettingsService) { }
+
+  ngOnInit() {
+    this.settings = this.settingsService.getAll();
+  }
+
+  save() {
+    this.settingsService.setAll(this.settings);
+  }
+}
diff --git a/src/app/shared/services/settings.service.spec.ts b/src/app/shared/services/settings.service.spec.ts
new file mode 100644
index 00000000..d7b473a7
--- /dev/null
+++ b/src/app/shared/services/settings.service.spec.ts
@@ -0,0 +1,73 @@
+import { TestBed, inject } from '@angular/core/testing';
+import { PersistenceService, StorageType } from "angular-persistence";
+
+import { Settings, SettingsService } from './settings.service';
+import createSpyObj = jasmine.createSpyObj;
+
+
+describe('SettingsService', () => {
+  let persistenceService: PersistenceService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [SettingsService, PersistenceService]
+    });
+
+    persistenceService = TestBed.get(PersistenceService);
+  });
+
+  afterEach(() => {
+    persistenceService.removeAll(StorageType.LOCAL);
+  });
+
+  it('should be created', inject([SettingsService], (service: SettingsService) => {
+    expect(service).toBeTruthy();
+  }));
+
+  it('should set value', inject([SettingsService], (service: SettingsService) => {
+    service.set('crash_reports', false);
+    expect(service.get('crash_reports')).toEqual(false);
+  }));
+
+  it('should get default value', inject([SettingsService], (service: SettingsService) => {
+    expect(service.get('crash_reports')).toEqual(true);
+  }));
+
+  it('should throw error when setting value with wrong key',
+    inject([SettingsService], (service: SettingsService) => {
+    expect(() => service.set('test', false)).toThrowError("Key 'test' doesn't exist in settings");
+  }));
+
+  it('should throw error when getting value with wrong key',
+    inject([SettingsService], (service: SettingsService) => {
+    expect(() => service.get('test')).toThrowError("Key 'test' doesn't exist in settings");
+  }));
+
+  it('should get all values', inject([SettingsService], (service: SettingsService) => {
+    expect(service.getAll()).toEqual({
+      'crash_reports': true
+    });
+  }));
+
+  it('should set all values', inject([SettingsService], (service: SettingsService) => {
+    const settings = {
+      'crash_reports': false
+    };
+    service.setAll(settings)
+
+    expect(service.getAll()).toEqual({
+      'crash_reports': false
+    });
+  }));
+
+  it('should execute subscriber', inject([SettingsService], (service: SettingsService) => {
+    let changedSettings: Settings;
+
+    service.set('crash_reports', true);
+    service.subscribe(settings => changedSettings = settings);
+    service.set('crash_reports', false);
+
+    expect(changedSettings.crash_reports).toEqual(false);
+  }));
+
+});
diff --git a/src/app/shared/services/settings.service.ts b/src/app/shared/services/settings.service.ts
new file mode 100644
index 00000000..cda14bfd
--- /dev/null
+++ b/src/app/shared/services/settings.service.ts
@@ -0,0 +1,60 @@
+import { Injectable } from '@angular/core';
+import { PersistenceService, StorageType } from "angular-persistence";
+import { Subject } from "rxjs/Subject";
+import { BehaviorSubject } from "rxjs/BehaviorSubject";
+
+
+export interface Settings {
+  crash_reports: boolean;
+}
+
+
+@Injectable()
+export class SettingsService {
+  static DEFAULTS: Settings = {
+    'crash_reports': true
+  };
+
+  private settingsSubject: BehaviorSubject<Settings>;
+
+  constructor(private persistenceService: PersistenceService) {
+    this.settingsSubject = new BehaviorSubject<Settings>(this.getAll());
+  }
+
+  get<T>(key: string) {
+    if (!(key in SettingsService.DEFAULTS)) {
+      throw Error(`Key '${key}' doesn't exist in settings`);
+    }
+    const value = this.persistenceService.get(key, StorageType.LOCAL) as T;
+    if (typeof value === 'undefined') {
+      return SettingsService.DEFAULTS[key];
+    }
+    return value;
+  }
+
+  set<T>(key: string, value: T): void {
+    if (!(key in SettingsService.DEFAULTS)) {
+      throw Error(`Key '${key}' doesn't exist in settings`);
+    }
+    this.persistenceService.set(key, value, { type: StorageType.LOCAL });
+    this.settingsSubject.next(this.getAll());
+  }
+
+  getAll() {
+    const settings = { ...SettingsService.DEFAULTS };
+    Object.keys(SettingsService.DEFAULTS).forEach((key) => {
+      settings[key] = this.get(key);
+    });
+    return settings;
+  }
+
+  setAll(settings) {
+    Object.keys(settings).forEach((key) => {
+      this.set(key, settings[key]);
+    });
+  }
+
+  subscribe(subscriber: ((settings: Settings) => void)) {
+    return this.settingsSubject.subscribe(subscriber);
+  }
+}
diff --git a/yarn.lock b/yarn.lock
index eed64965..416e24ae 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -227,6 +227,42 @@
     semver "^5.3.0"
     semver-intersect "^1.1.2"
 
+"@sentry/browser@0.4.2":
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/@sentry/browser/-/browser-0.4.2.tgz#bd91752558d2e92adbd1f4b1dcd78efd92c7d2ed"
+  dependencies:
+    "@sentry/core" "0.4.2"
+    "@sentry/utils" "0.4.2"
+    raven-js "^3.23.1"
+
+"@sentry/core@0.4.2":
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/@sentry/core/-/core-0.4.2.tgz#3922c61b42519d9b67cd49da39f214a1d92b7f84"
+
+"@sentry/electron@^0.4.2":
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/@sentry/electron/-/electron-0.4.2.tgz#47c15672470d3fd850096d8786b6738e250eea61"
+  dependencies:
+    "@sentry/browser" "0.4.2"
+    "@sentry/core" "0.4.2"
+    "@sentry/node" "0.4.2"
+    "@sentry/utils" "0.4.2"
+    form-data "^2.3.2"
+    node-fetch "^2.1.1"
+    util.promisify "^1.0.0"
+
+"@sentry/node@0.4.2":
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/@sentry/node/-/node-0.4.2.tgz#3fcc890cdff157fbb488a130ba83b7f68b57aacd"
+  dependencies:
+    "@sentry/core" "0.4.2"
+    "@sentry/utils" "0.4.2"
+    raven "^2.4.2"
+
+"@sentry/utils@0.4.2":
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/@sentry/utils/-/utils-0.4.2.tgz#1a951ceee448f0fd2dc146798ee9b93f39c058cf"
+
 "@types/d3-array@1.2":
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/@types/d3-array/-/d3-array-1.2.1.tgz#e489605208d46a1c9d980d2e5772fa9c75d9ec65"
@@ -535,6 +571,10 @@ amqplib@^0.5.2:
     readable-stream "1.x >=1.1.9"
     safe-buffer "^5.0.1"
 
+angular-persistence@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/angular-persistence/-/angular-persistence-1.0.1.tgz#79ffe7317f1f7aed88e69f07705f0ac32ccdb9da"
+
 angular2-hotkeys@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/angular2-hotkeys/-/angular2-hotkeys-2.0.4.tgz#83355f0a65fe484bfdd3d238b6ee96d63526eb91"
@@ -1538,6 +1578,10 @@ chalk@~2.2.0:
     escape-string-regexp "^1.0.5"
     supports-color "^4.0.0"
 
+charenc@~0.0.1:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
+
 chokidar@^1.4.1, chokidar@^1.4.2, chokidar@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
@@ -1791,6 +1835,12 @@ combine-source-map@~0.8.0:
     lodash.memoize "~3.0.3"
     source-map "~0.5.3"
 
+combined-stream@1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
+  dependencies:
+    delayed-stream "~1.0.0"
+
 combined-stream@^1.0.5, combined-stream@~1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.5.tgz#938370a57b4a51dea2c77c15d5c5fdf895164009"
@@ -2071,6 +2121,10 @@ cross-spawn@^5.0.1:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
+crypt@~0.0.1:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/crypt/-/crypt-0.0.2.tgz#88d7ff7ec0dfb86f713dc87bbb42d044d3e6c41b"
+
 cryptiles@2.x.x:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
@@ -2862,6 +2916,13 @@ electron-publish@20.0.2:
     fs-extra-p "^4.5.0"
     mime "^2.2.0"
 
+electron-settings@^3.1.4:
+  version "3.1.4"
+  resolved "https://registry.yarnpkg.com/electron-settings/-/electron-settings-3.1.4.tgz#1b670837fd00626395714210291fb4af8ff52880"
+  dependencies:
+    clone "^2.1.1"
+    jsonfile "^4.0.0"
+
 electron-to-chromium@^1.3.30:
   version "1.3.31"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.31.tgz#00d832cba9fe2358652b0c48a8816c8e3a037e9f"
@@ -2979,6 +3040,16 @@ error-ex@^1.2.0:
   dependencies:
     is-arrayish "^0.2.1"
 
+es-abstract@^1.5.1:
+  version "1.11.0"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.11.0.tgz#cce87d518f0496893b1a30cd8461835535480681"
+  dependencies:
+    es-to-primitive "^1.1.1"
+    function-bind "^1.1.1"
+    has "^1.0.1"
+    is-callable "^1.1.3"
+    is-regex "^1.0.4"
+
 es-abstract@^1.7.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.10.0.tgz#1ecb36c197842a00d8ee4c2dfd8646bb97d60864"
@@ -3437,6 +3508,14 @@ forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
 
+form-data@^2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.2.tgz#4970498be604c20c005d4f5c23aecd21d6b49099"
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "1.0.6"
+    mime-types "^2.1.12"
+
 form-data@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.0.0.tgz#6f0aebadcc5da16c13e1ecc11137d85f9b883b25"
@@ -4342,7 +4421,7 @@ is-binary-path@^1.0.0:
   dependencies:
     binary-extensions "^1.0.0"
 
-is-buffer@^1.0.2, is-buffer@^1.1.0, is-buffer@^1.1.5:
+is-buffer@^1.0.2, is-buffer@^1.1.0, is-buffer@^1.1.5, is-buffer@~1.1.1:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
 
@@ -5308,6 +5387,14 @@ md5.js@^1.3.4:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
+md5@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/md5/-/md5-2.2.1.tgz#53ab38d5fe3c8891ba465329ea23fac0540126f9"
+  dependencies:
+    charenc "~0.0.1"
+    crypt "~0.0.1"
+    is-buffer "~1.1.1"
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
@@ -5650,6 +5737,10 @@ netmask@~1.0.4:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/netmask/-/netmask-1.0.6.tgz#20297e89d86f6f6400f250d9f4f6b4c1945fcd35"
 
+ngx-electron@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/ngx-electron/-/ngx-electron-1.0.4.tgz#2d80b25d74ae4d6226ad8b3bc4ecfa611e48fdca"
+
 no-case@^2.2.0:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/no-case/-/no-case-2.3.2.tgz#60b813396be39b3f1288a4c1ed5d1e7d28b464ac"
@@ -5663,6 +5754,10 @@ node-alias@^1.0.4:
     chalk "^1.1.1"
     lodash "^4.2.0"
 
+node-fetch@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
+
 node-forge@0.6.33:
   version "0.6.33"
   resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.6.33.tgz#463811879f573d45155ad6a9f43dc296e8e85ebc"
@@ -6132,6 +6227,13 @@ object-visit@^1.0.0:
   dependencies:
     isobject "^3.0.0"
 
+object.getownpropertydescriptors@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/object.getownpropertydescriptors/-/object.getownpropertydescriptors-2.0.3.tgz#8758c846f5b407adab0f236e0986f14b051caa16"
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.5.1"
+
 object.omit@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/object.omit/-/object.omit-2.0.1.tgz#1a9c744829f39dbb858c76ca3579ae2a54ebd1fa"
@@ -6851,10 +6953,20 @@ range-parser@^1.0.3, range-parser@^1.2.0, range-parser@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
 
-raven-js@^3.24.0:
+raven-js@^3.23.1, raven-js@^3.24.0:
   version "3.24.0"
   resolved "https://registry.yarnpkg.com/raven-js/-/raven-js-3.24.0.tgz#59464d8bc4b3812ae87a282e9bb98ecad5b4b047"
 
+raven@^2.4.2:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/raven/-/raven-2.4.2.tgz#0129e2adc30788646fd530b67d08a8ce25d4f6dc"
+  dependencies:
+    cookie "0.3.1"
+    md5 "^2.2.1"
+    stack-trace "0.0.9"
+    timed-out "4.0.1"
+    uuid "3.0.0"
+
 raw-body@2, raw-body@2.3.2:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.3.2.tgz#bcd60c77d3eb93cde0050295c3f379389bc88f89"
@@ -8148,6 +8260,10 @@ ssri@^5.0.0:
   dependencies:
     safe-buffer "^5.1.0"
 
+stack-trace@0.0.9:
+  version "0.0.9"
+  resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.9.tgz#a8f6eaeca90674c333e7c43953f275b451510695"
+
 stat-mode@^0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/stat-mode/-/stat-mode-0.2.2.tgz#e6c80b623123d7d80cf132ce538f346289072502"
@@ -8465,6 +8581,10 @@ thunky@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/thunky/-/thunky-0.1.0.tgz#bf30146824e2b6e67b0f2d7a4ac8beb26908684e"
 
+timed-out@4.0.1, timed-out@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
+
 timed-out@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-2.0.0.tgz#f38b0ae81d3747d628001f41dafc652ace671c0a"
@@ -8473,10 +8593,6 @@ timed-out@^3.0.0:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-3.1.3.tgz#95860bfcc5c76c277f8f8326fd0f5b2e20eba217"
 
-timed-out@^4.0.0:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
-
 timers-browserify@^1.0.1:
   version "1.4.2"
   resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-1.4.2.tgz#c9c58b575be8407375cb5e2462dacee74359f41d"
@@ -8919,6 +9035,13 @@ util-extend@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/util-extend/-/util-extend-1.0.3.tgz#a7c216d267545169637b3b6edc6ca9119e2ff93f"
 
+util.promisify@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/util.promisify/-/util.promisify-1.0.0.tgz#440f7165a459c9a16dc145eb8e72f35687097030"
+  dependencies:
+    define-properties "^1.1.2"
+    object.getownpropertydescriptors "^2.0.3"
+
 util@0.10.3, util@^0.10.3, util@~0.10.1:
   version "0.10.3"
   resolved "https://registry.yarnpkg.com/util/-/util-0.10.3.tgz#7afb1afe50805246489e3db7fe0ed379336ac0f9"
@@ -8937,6 +9060,10 @@ utils-merge@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
 
+uuid@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.0.tgz#6728fc0459c450d796a99c31837569bdf672d728"
+
 uuid@^2.0.1:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-2.0.3.tgz#67e2e863797215530dff318e5bf9dcebfd47b21a"