diff --git a/ext/installfiles/windows/ZeroTier One.aip b/ext/installfiles/windows/ZeroTier One.aip
index 8c3aa6bf8..147094f93 100644
--- a/ext/installfiles/windows/ZeroTier One.aip	
+++ b/ext/installfiles/windows/ZeroTier One.aip	
@@ -9,6 +9,8 @@
     <ROW Property="AI_EXTERNALUIUNINSTALLERNAME" MultiBuildValue="DefaultBuild:aiui"/>
     <ROW Property="AI_PREDEF_LCONDS_PROPS" Value="AI_DETECTED_DOTNET_VERSION"/>
     <ROW Property="AI_PRODUCTNAME_ARP" Value="ZeroTier One"/>
+    <ROW Property="AI_REQUIRED_DOTNET_DISPLAY" MultiBuildValue="DefaultBuild:4.5" ValueLocId="-"/>
+    <ROW Property="AI_REQUIRED_DOTNET_VERSION" MultiBuildValue="DefaultBuild:4.5" ValueLocId="-"/>
     <ROW Property="AI_UNINSTALLER" Value="msiexec.exe"/>
     <ROW Property="ALLUSERS" Value="1"/>
     <ROW Property="ARPCOMMENTS" Value="This installer database contains the logic and data required to install [|ProductName]."/>
@@ -24,7 +26,7 @@
     <ROW Property="CTRLS" Value="2"/>
     <ROW Property="MSIFASTINSTALL" MultiBuildValue="DefaultBuild:2"/>
     <ROW Property="Manufacturer" Value="ZeroTier, Inc."/>
-    <ROW Property="ProductCode" Value="1033:{1D75367B-40EC-408B-848B-3D147C9A2175} " Type="16"/>
+    <ROW Property="ProductCode" Value="1033:{E517BA79-1770-4556-B7A4-622434A9982B} " Type="16"/>
     <ROW Property="ProductLanguage" Value="1033"/>
     <ROW Property="ProductName" Value="ZeroTier One"/>
     <ROW Property="ProductVersion" Value="1.1.0" Type="32"/>
@@ -42,7 +44,7 @@
     <ROW Property="WindowsTypeNTDisplay" MultiBuildValue="DefaultBuild:Windows 2000, Windows XP x86, Windows Server 2003 x86" ValueLocId="-"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.MsiDirsComponent">
-    <ROW Directory="APPDIR" Directory_Parent="TARGETDIR" DefaultDir="APPDIR:." IsPseudoRoot="1" DirectoryOptions="3"/>
+    <ROW Directory="APPDIR" Directory_Parent="TARGETDIR" DefaultDir="APPDIR:." IsPseudoRoot="1" DirectoryOptions="2"/>
     <ROW Directory="CommonAppDataFolder" Directory_Parent="TARGETDIR" DefaultDir="COMMON~1|CommonAppDataFolder" IsPseudoRoot="1"/>
     <ROW Directory="One_Dir" Directory_Parent="ZeroTier_Dir" DefaultDir="One"/>
     <ROW Directory="ProgramFilesFolder" Directory_Parent="TARGETDIR" DefaultDir="PROGRA~1|ProgramFilesFolder" IsPseudoRoot="1"/>
@@ -150,7 +152,6 @@
     <ROW Name="SoftwareDetector.dll" SourcePath="&lt;AI_CUSTACTS&gt;SoftwareDetector.dll"/>
     <ROW Name="aicustact.dll" SourcePath="&lt;AI_CUSTACTS&gt;aicustact.dll"/>
     <ROW Name="chainersupport.dll" SourcePath="&lt;AI_CUSTACTS&gt;chainersupport.dll"/>
-    <ROW Name="dotNetFx45_Full_setup.exe" SourcePath="dotNetFx45_Full_setup.exe"/>
     <ROW Name="msichainer.exe" SourcePath="&lt;AI_CUSTACTS&gt;msichainer.exe"/>
     <ROW Name="xmlCfg.dll" SourcePath="&lt;AI_CUSTACTS&gt;xmlCfg.dll"/>
   </COMPONENT>
@@ -231,7 +232,6 @@
     <ROW Action="SET_TARGETDIR_TO_APPDIR" Type="51" Source="TARGETDIR" Target="[APPDIR]"/>
     <ROW Action="TapDeviceRemove32" Type="3154" Source="zerotierone_x86.exe" Target="-D"/>
     <ROW Action="TapDeviceRemove64" Type="3154" Source="zerotierone_x64.exe" Target="-D"/>
-    <ROW Action="dotNetFx45_Full_setup.exe" Type="66" Source="dotNetFx45_Full_setup.exe" Target="/q /norestart"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.MsiEmbeddedChainerComponent">
     <ROW MsiEmbeddedChainer="msichainer.exe" Condition="VersionMsi &gt;= &quot;4.05&quot;" CommandLine="[AI_CHAINER_CMD_LINE]" Source="msichainer.exe" Type="2"/>
@@ -260,7 +260,6 @@
     <ROW Action="AI_DATA_SETTER_2" Condition="(VersionNT &gt;= 501) AND (REMOVE &lt;&gt; &quot;ALL&quot;)" Sequence="5801"/>
     <ROW Action="AI_FwUninstall" Condition="(VersionNT &gt;= 501) AND (REMOVE=&quot;ALL&quot;)" Sequence="1702"/>
     <ROW Action="AI_DATA_SETTER_3" Condition="(VersionNT &gt;= 501) AND (REMOVE=&quot;ALL&quot;)" Sequence="1701"/>
-    <ROW Action="dotNetFx45_Full_setup.exe" Condition="( NOT Installed ) AND ( (AI_DETECTED_DOTNET_VERSION &lt; &quot;4.5&quot;) )" Sequence="6401"/>
     <ROW Action="AI_DetectSoftware" Sequence="101"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.MsiInstallUISequenceComponent">
@@ -276,6 +275,7 @@
     <ROW Condition="( Version9X OR ( NOT VersionNT64 ) OR ( VersionNT64 AND ((VersionNT64 &lt;&gt; 502) OR (((VersionNT64 = 502) AND (ServicePackLevel &gt;= 1)) OR (MsiNTProductType &lt;&gt; 1))) AND ((VersionNT64 &lt;&gt; 502) OR (((VersionNT64 = 502) AND (ServicePackLevel &lt;&gt; 1)) OR (MsiNTProductType &lt;&gt; 1))) AND ((VersionNT64 &lt;&gt; 502) OR (((VersionNT64 = 502) AND (ServicePackLevel &lt;&gt; 2)) OR (MsiNTProductType &lt;&gt; 1))) AND ((VersionNT64 &lt;&gt; 502) OR ((VersionNT64 = 502) AND ((MsiNTProductType = 1) OR (ServicePackLevel &gt;= 1)))) AND ((VersionNT64 &lt;&gt; 502) OR ((VersionNT64 = 502) AND ((MsiNTProductType = 1) OR (ServicePackLevel &lt;&gt; 1)))) AND ((VersionNT64 &lt;&gt; 502) OR ((VersionNT64 = 502) AND ((MsiNTProductType = 1) OR (ServicePackLevel &lt;&gt; 2)))) ) )" Description="[ProductName] cannot be installed on the following Windows versions: [WindowsTypeNT64Display]" DescriptionLocId="AI.LaunchCondition.NoSpecificNT64" IsPredefined="true" Builds="DefaultBuild"/>
     <ROW Condition="( Version9X OR VersionNT64 OR ( VersionNT AND ((VersionNT &lt;&gt; 500) OR ((VersionNT = 500) AND (ServicePackLevel &gt;= 1))) AND ((VersionNT &lt;&gt; 500) OR ((VersionNT = 500) AND (ServicePackLevel &lt;&gt; 1))) AND ((VersionNT &lt;&gt; 500) OR ((VersionNT = 500) AND (ServicePackLevel &lt;&gt; 2))) AND ((VersionNT &lt;&gt; 500) OR ((VersionNT = 500) AND (ServicePackLevel &lt;&gt; 3))) AND ((VersionNT &lt;&gt; 500) OR ((VersionNT = 500) AND (ServicePackLevel &lt;&gt; 4))) AND (((VersionNT &lt;&gt; 501) OR ((VersionNT = 501) AND (ServicePackLevel &gt;= 1))) OR VersionNT64) AND (((VersionNT &lt;&gt; 501) OR ((VersionNT = 501) AND (ServicePackLevel &lt;&gt; 1))) OR VersionNT64) AND (((VersionNT &lt;&gt; 501) OR ((VersionNT = 501) AND (ServicePackLevel &lt;&gt; 2))) OR VersionNT64) AND (((VersionNT &lt;&gt; 501) OR ((VersionNT = 501) AND (ServicePackLevel &lt;&gt; 3))) OR VersionNT64) AND (((VersionNT &lt;&gt; 502) OR ((VersionNT = 502) AND (ServicePackLevel &gt;= 1))) OR VersionNT64) AND (((VersionNT &lt;&gt; 502) OR ((VersionNT = 502) AND (ServicePackLevel &lt;&gt; 1))) OR VersionNT64) AND (((VersionNT &lt;&gt; 502) OR ((VersionNT = 502) AND (ServicePackLevel &lt;&gt; 2))) OR VersionNT64) ) )" Description="[ProductName] cannot be installed on the following Windows versions: [WindowsTypeNTDisplay]" DescriptionLocId="AI.LaunchCondition.NoSpecificNT" IsPredefined="true" Builds="DefaultBuild"/>
     <ROW Condition="(VersionNT &lt;&gt; 400)" Description="[ProductName] cannot be installed on the following Windows versions: [WindowsTypeNT40Display]" DescriptionLocId="AI.LaunchCondition.NoNT40" IsPredefined="true" Builds="DefaultBuild"/>
+    <ROW Condition="AI_DETECTED_DOTNET_VERSION &gt;= AI_REQUIRED_DOTNET_VERSION" Description="[ProductName] cannot be installed on systems with .NET Framework version lower than [AI_REQUIRED_DOTNET_DISPLAY]." DescriptionLocId="AI.LaunchCondition.DotNET" IsPredefined="true" Builds="DefaultBuild"/>
     <ROW Condition="Privileged" Description="[ProductName] requires administrative privileges to install." DescriptionLocId="AI.LaunchCondition.Privileged" IsPredefined="true" Builds="DefaultBuild"/>
     <ROW Condition="VersionNT" Description="[ProductName] cannot be installed on [WindowsType9XDisplay]" DescriptionLocId="AI.LaunchCondition.No9X" IsPredefined="true" Builds="DefaultBuild"/>
   </COMPONENT>
diff --git a/ext/installfiles/windows/dotNetFx45_Full_setup.exe b/ext/installfiles/windows/dotNetFx45_Full_setup.exe
deleted file mode 100644
index 365b870b3..000000000
Binary files a/ext/installfiles/windows/dotNetFx45_Full_setup.exe and /dev/null differ