diff --git a/Plugins.UserInterface/UniversalEditor.Plugins.Designer.UserInterface/UniversalEditor.Plugins.Designer.UserInterface.csproj b/Plugins.UserInterface/UniversalEditor.Plugins.Designer.UserInterface/UniversalEditor.Plugins.Designer.UserInterface.csproj
index 3c58043f..7bedbc9c 100644
--- a/Plugins.UserInterface/UniversalEditor.Plugins.Designer.UserInterface/UniversalEditor.Plugins.Designer.UserInterface.csproj
+++ b/Plugins.UserInterface/UniversalEditor.Plugins.Designer.UserInterface/UniversalEditor.Plugins.Designer.UserInterface.csproj
@@ -7,7 +7,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>UniversalEditor.Plugins.Designer.UserInterface</RootNamespace>
     <AssemblyName>UniversalEditor.Plugins.Designer.UserInterface</AssemblyName>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <ReleaseVersion>4.0.2019.12</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
diff --git a/Plugins.UserInterface/UniversalEditor.Plugins.NewWorldComputing.UserInterface/UniversalEditor.Plugins.NewWorldComputing.UserInterface.csproj b/Plugins.UserInterface/UniversalEditor.Plugins.NewWorldComputing.UserInterface/UniversalEditor.Plugins.NewWorldComputing.UserInterface.csproj
index a7a58918..d00e0807 100644
--- a/Plugins.UserInterface/UniversalEditor.Plugins.NewWorldComputing.UserInterface/UniversalEditor.Plugins.NewWorldComputing.UserInterface.csproj
+++ b/Plugins.UserInterface/UniversalEditor.Plugins.NewWorldComputing.UserInterface/UniversalEditor.Plugins.NewWorldComputing.UserInterface.csproj
@@ -7,7 +7,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>UniversalEditor.Plugins.NewWorldComputing.UserInterface</RootNamespace>
     <AssemblyName>UniversalEditor.Plugins.NewWorldComputing.UserInterface</AssemblyName>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <ReleaseVersion>4.0.2019.12</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
diff --git a/Plugins.UserInterface/UniversalEditor.Plugins.Setup.UserInterface/UniversalEditor.Plugins.Setup.UserInterface.csproj b/Plugins.UserInterface/UniversalEditor.Plugins.Setup.UserInterface/UniversalEditor.Plugins.Setup.UserInterface.csproj
index ad104689..2b21e597 100644
--- a/Plugins.UserInterface/UniversalEditor.Plugins.Setup.UserInterface/UniversalEditor.Plugins.Setup.UserInterface.csproj
+++ b/Plugins.UserInterface/UniversalEditor.Plugins.Setup.UserInterface/UniversalEditor.Plugins.Setup.UserInterface.csproj
@@ -7,7 +7,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>UniversalEditor.Plugins.Setup.UserInterface</RootNamespace>
     <AssemblyName>UniversalEditor.Plugins.Setup.UserInterface</AssemblyName>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <ReleaseVersion>4.0.2019.12</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
diff --git a/Plugins.UserInterface/UniversalEditor.Plugins.UnrealEngine.UserInterface/UniversalEditor.Plugins.UnrealEngine.UserInterface.csproj b/Plugins.UserInterface/UniversalEditor.Plugins.UnrealEngine.UserInterface/UniversalEditor.Plugins.UnrealEngine.UserInterface.csproj
index 124530d0..f622da34 100644
--- a/Plugins.UserInterface/UniversalEditor.Plugins.UnrealEngine.UserInterface/UniversalEditor.Plugins.UnrealEngine.UserInterface.csproj
+++ b/Plugins.UserInterface/UniversalEditor.Plugins.UnrealEngine.UserInterface/UniversalEditor.Plugins.UnrealEngine.UserInterface.csproj
@@ -7,7 +7,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>UniversalEditor.Plugins.UnrealEngine.UserInterface</RootNamespace>
     <AssemblyName>UniversalEditor.Plugins.UnrealEngine.UserInterface</AssemblyName>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <ReleaseVersion>4.0.2019.12</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
diff --git a/Plugins/UniversalEditor.Plugins.Amiga/UniversalEditor.Plugins.Amiga.csproj b/Plugins/UniversalEditor.Plugins.Amiga/UniversalEditor.Plugins.Amiga.csproj
index 069926f1..88f48abe 100644
--- a/Plugins/UniversalEditor.Plugins.Amiga/UniversalEditor.Plugins.Amiga.csproj
+++ b/Plugins/UniversalEditor.Plugins.Amiga/UniversalEditor.Plugins.Amiga.csproj
@@ -7,7 +7,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>UniversalEditor.Plugins.Amiga</RootNamespace>
     <AssemblyName>UniversalEditor.Plugins.Amiga</AssemblyName>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <ReleaseVersion>4.0.2019.12</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -58,4 +58,4 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
-</Project>
\ No newline at end of file
+</Project>
diff --git a/Plugins/UniversalEditor.Plugins.Office/UniversalEditor.Plugins.Office.csproj b/Plugins/UniversalEditor.Plugins.Office/UniversalEditor.Plugins.Office.csproj
index 02006e35..0bb6958d 100644
--- a/Plugins/UniversalEditor.Plugins.Office/UniversalEditor.Plugins.Office.csproj
+++ b/Plugins/UniversalEditor.Plugins.Office/UniversalEditor.Plugins.Office.csproj
@@ -7,7 +7,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>UniversalEditor.Plugins.Office</RootNamespace>
     <AssemblyName>UniversalEditor.Plugins.Office</AssemblyName>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <ReleaseVersion>4.0.2019.12</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
diff --git a/Plugins/UniversalEditor.Plugins.Sega/UniversalEditor.Plugins.Sega.csproj b/Plugins/UniversalEditor.Plugins.Sega/UniversalEditor.Plugins.Sega.csproj
index e0d1bf95..78caa84c 100644
--- a/Plugins/UniversalEditor.Plugins.Sega/UniversalEditor.Plugins.Sega.csproj
+++ b/Plugins/UniversalEditor.Plugins.Sega/UniversalEditor.Plugins.Sega.csproj
@@ -7,7 +7,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>UniversalEditor.Plugins.Sega</RootNamespace>
     <AssemblyName>UniversalEditor.Plugins.Sega</AssemblyName>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <ReleaseVersion>4.0.2019.12</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
diff --git a/Plugins/UniversalEditor.Plugins.Vocaloid/UniversalEditor.Plugins.Vocaloid.csproj b/Plugins/UniversalEditor.Plugins.Vocaloid/UniversalEditor.Plugins.Vocaloid.csproj
index 48f952de..40480ac5 100644
--- a/Plugins/UniversalEditor.Plugins.Vocaloid/UniversalEditor.Plugins.Vocaloid.csproj
+++ b/Plugins/UniversalEditor.Plugins.Vocaloid/UniversalEditor.Plugins.Vocaloid.csproj
@@ -7,7 +7,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>UniversalEditor.Plugins.Vocaloid</RootNamespace>
     <AssemblyName>UniversalEditor.Plugins.Vocaloid</AssemblyName>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <ReleaseVersion>4.0.2019.12</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
diff --git a/Plugins/UniversalEditor.Plugins.Webfoot/UniversalEditor.Plugins.Webfoot.csproj b/Plugins/UniversalEditor.Plugins.Webfoot/UniversalEditor.Plugins.Webfoot.csproj
index ced0199b..d2362721 100644
--- a/Plugins/UniversalEditor.Plugins.Webfoot/UniversalEditor.Plugins.Webfoot.csproj
+++ b/Plugins/UniversalEditor.Plugins.Webfoot/UniversalEditor.Plugins.Webfoot.csproj
@@ -7,7 +7,7 @@
     <OutputType>Library</OutputType>
     <RootNamespace>UniversalEditor.Plugins.Webfoot</RootNamespace>
     <AssemblyName>UniversalEditor.Plugins.Webfoot</AssemblyName>
-    <TargetFrameworkVersion>v4.7</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <ReleaseVersion>4.0.2019.12</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">