diff --git a/src/app/common/uploading-processbar/upload-service.service.ts b/src/app/common/uploading-processbar/upload-service.service.ts
index 8a2bb38b..71efc849 100644
--- a/src/app/common/uploading-processbar/upload-service.service.ts
+++ b/src/app/common/uploading-processbar/upload-service.service.ts
@@ -1,14 +1,14 @@
 import { Injectable } from '@angular/core';
-import { BehaviorSubject } from 'rxjs';
+import { BehaviorSubject, Subject } from 'rxjs';
 
 @Injectable({
   providedIn: 'root'
 })
 export class UploadServiceService {
 
-  private countSource = new BehaviorSubject(0);
+  private countSource = new Subject();
   currentCount = this.countSource.asObservable();
-  private cancelItem = new BehaviorSubject(false);
+  private cancelItem = new Subject();
   currentCancelItemDetails = this.cancelItem.asObservable();
 
   constructor() { }
diff --git a/src/app/common/uploading-processbar/uploading-processbar.component.ts b/src/app/common/uploading-processbar/uploading-processbar.component.ts
index 913f3eb5..a77c85d7 100644
--- a/src/app/common/uploading-processbar/uploading-processbar.component.ts
+++ b/src/app/common/uploading-processbar/uploading-processbar.component.ts
@@ -21,7 +21,7 @@ export class UploadingProcessbarComponent implements OnInit {
   ) { }
 
   ngOnInit() {
-    this.subscription = this._US.currentCount.subscribe((count) => {
+    this.subscription = this._US.currentCount.subscribe((count:number) => {
       this.uploadProgress = count;
       if (this.uploadProgress === 100) {
         this.dismiss()
diff --git a/src/app/components/preferences/dynamips/add-ios-template/add-ios-template.component.ts b/src/app/components/preferences/dynamips/add-ios-template/add-ios-template.component.ts
index cdac0bc7..17d7d25d 100644
--- a/src/app/components/preferences/dynamips/add-ios-template/add-ios-template.component.ts
+++ b/src/app/components/preferences/dynamips/add-ios-template/add-ios-template.component.ts
@@ -1,11 +1,12 @@
 import { Location } from '@angular/common';
-import { Component, OnInit } from '@angular/core';
+import { Component, OnDestroy, OnInit } from '@angular/core';
 import { FormBuilder, FormControl, FormGroup, Validators } from '@angular/forms';
 import { MatSnackBar } from '@angular/material/snack-bar';
 import { ActivatedRoute, Router } from '@angular/router';
 import { UploadServiceService } from 'app/common/uploading-processbar/upload-service.service';
 import { UploadingProcessbarComponent } from 'app/common/uploading-processbar/uploading-processbar.component';
 import { FileItem, FileUploader, ParsedResponseHeaders } from 'ng2-file-upload';
+import { Subscription } from 'rxjs';
 import { v4 as uuid } from 'uuid';
 import { Compute } from '../../../../models/compute';
 import { IosImage } from '../../../../models/images/ios-image';
@@ -23,7 +24,7 @@ import { ToasterService } from '../../../../services/toaster.service';
   templateUrl: './add-ios-template.component.html',
   styleUrls: ['./add-ios-template.component.scss', '../../preferences.component.scss'],
 })
-export class AddIosTemplateComponent implements OnInit {
+export class AddIosTemplateComponent implements OnInit, OnDestroy {
   server: Server;
   iosTemplate: IosTemplate;
   isEtherSwitchRouter: boolean = false;
@@ -51,6 +52,7 @@ export class AddIosTemplateComponent implements OnInit {
   uploader: FileUploader;
   isLocalComputerChosen: boolean = true;
   uploadProgress:number = 0;
+  subscription: Subscription;
 
   constructor(
     private route: ActivatedRoute,
@@ -103,7 +105,7 @@ export class AddIosTemplateComponent implements OnInit {
       this.uploadProgress = progress['progress'];
       this.uploadServiceService.processBarCount(this.uploadProgress)
     };
-    this.uploadServiceService.currentCancelItemDetails.subscribe((isCancel) => {
+   this.subscription = this.uploadServiceService.currentCancelItemDetails.subscribe((isCancel) => {
       if (isCancel) {
         this.cancelUploading()
       }
@@ -274,8 +276,11 @@ export class AddIosTemplateComponent implements OnInit {
     this.uploader.clearQueue();
     this.uploadServiceService.processBarCount(100)
     this.toasterService.warning('Image upload cancelled');
-    this.uploadServiceService.cancelFileUploading(false)
-    window.location.reload()
+    // this.uploadServiceService.cancelFileUploading(false)
+    // window.location.reload()
 
   }
+  ngOnDestroy() {
+    this.subscription.unsubscribe();
+  }
 }
diff --git a/src/app/components/preferences/ios-on-unix/add-iou-template/add-iou-template.component.ts b/src/app/components/preferences/ios-on-unix/add-iou-template/add-iou-template.component.ts
index 835156ef..55cb18be 100644
--- a/src/app/components/preferences/ios-on-unix/add-iou-template/add-iou-template.component.ts
+++ b/src/app/components/preferences/ios-on-unix/add-iou-template/add-iou-template.component.ts
@@ -1,4 +1,4 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, OnDestroy, OnInit } from '@angular/core';
 import { FormBuilder, FormControl, FormGroup, Validators } from '@angular/forms';
 import { MatSnackBar } from '@angular/material/snack-bar';
 import { ActivatedRoute, Router } from '@angular/router';
@@ -22,7 +22,7 @@ import { ToasterService } from '../../../../services/toaster.service';
   templateUrl: './add-iou-template.component.html',
   styleUrls: ['./add-iou-template.component.scss', '../../preferences.component.scss'],
 })
-export class AddIouTemplateComponent implements OnInit {
+export class AddIouTemplateComponent implements OnInit, OnDestroy {
   server: Server;
   iouTemplate: IouTemplate;
   isRemoteComputerChosen: boolean = false;
@@ -68,7 +68,6 @@ export class AddIouTemplateComponent implements OnInit {
     };
     this.uploader.onErrorItem = (item: FileItem, response: string, status: number, headers: ParsedResponseHeaders) => {
       this.toasterService.error('An error occured: ' + response);
-      this.setDiskImage('existingImage')
     };
     this.uploader.onProgressItem = (progress: any) => {
       this.uploadProgress = progress['progress'];
@@ -93,7 +92,7 @@ export class AddIouTemplateComponent implements OnInit {
         this.iouTemplate = iouTemplate;
       });
     });
-    this.uploadServiceService.currentCancelItemDetails.subscribe((isCancel) => {
+   this.subscription =  this.uploadServiceService.currentCancelItemDetails.subscribe((isCancel) => {
       if (isCancel) {
         this.cancelUploading()
       }
@@ -138,9 +137,8 @@ export class AddIouTemplateComponent implements OnInit {
     this.uploader.clearQueue();
     this.uploadServiceService.processBarCount(100)
     this.toasterService.warning('Image upload cancelled');
-    this.uploadServiceService.cancelFileUploading(false)
-    window.location.reload()
-
+    // this.uploadServiceService.cancelFileUploading(false)
+    // window.location.reload()
   }
 
 
@@ -174,4 +172,8 @@ export class AddIouTemplateComponent implements OnInit {
       this.toasterService.error(`Fill all required fields`);
     }
   }
+
+  ngOnDestroy() {
+    this.subscription.unsubscribe();
+  }
 }