diff --git a/FileDbCache/WPF/FileDbCache.WPF.csproj b/FileDbCache/WPF/FileDbCache.WPF.csproj
index 599a64a6..5aa9fb32 100644
--- a/FileDbCache/WPF/FileDbCache.WPF.csproj
+++ b/FileDbCache/WPF/FileDbCache.WPF.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MapControl.Caching</RootNamespace>
     <AssemblyName>FileDbCache.WPF</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
diff --git a/MBTiles/WPF/MBTiles.WPF.csproj b/MBTiles/WPF/MBTiles.WPF.csproj
index 72ed69c5..9174a753 100644
--- a/MBTiles/WPF/MBTiles.WPF.csproj
+++ b/MBTiles/WPF/MBTiles.WPF.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MapControl.MBTiles</RootNamespace>
     <AssemblyName>MBTiles.WPF</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
     <NuGetPackageImportStamp>
diff --git a/MapControl/WPF/MapControl.WPF.csproj b/MapControl/WPF/MapControl.WPF.csproj
index 52b37100..82180991 100644
--- a/MapControl/WPF/MapControl.WPF.csproj
+++ b/MapControl/WPF/MapControl.WPF.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MapControl</RootNamespace>
     <AssemblyName>MapControl.WPF</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>
diff --git a/MapImages/WPF/MapImages.WPF.csproj b/MapImages/WPF/MapImages.WPF.csproj
index 53b99bfe..9d661ecf 100644
--- a/MapImages/WPF/MapImages.WPF.csproj
+++ b/MapImages/WPF/MapImages.WPF.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MapControl.Images</RootNamespace>
     <AssemblyName>MapImages.WPF</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <Deterministic>true</Deterministic>
     <TargetFrameworkProfile />
diff --git a/MapProjections/WPF/MapProjections.WPF.csproj b/MapProjections/WPF/MapProjections.WPF.csproj
index f28cd3f1..1ada13fb 100644
--- a/MapProjections/WPF/MapProjections.WPF.csproj
+++ b/MapProjections/WPF/MapProjections.WPF.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MapControl.Projections</RootNamespace>
     <AssemblyName>MapProjections.WPF</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>
diff --git a/SQLiteCache/WPF/SQLiteCache.WPF.csproj b/SQLiteCache/WPF/SQLiteCache.WPF.csproj
index 02ff43e6..96ba137c 100644
--- a/SQLiteCache/WPF/SQLiteCache.WPF.csproj
+++ b/SQLiteCache/WPF/SQLiteCache.WPF.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MapControl.Caching</RootNamespace>
     <AssemblyName>SQLiteCache.WPF</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>
diff --git a/SampleApps/WpfApplication/App.config b/SampleApps/WpfApplication/App.config
index b38881da..c36460b3 100644
--- a/SampleApps/WpfApplication/App.config
+++ b/SampleApps/WpfApplication/App.config
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <configuration>
     <startup>
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2"/>
     </startup>
 </configuration>
diff --git a/SampleApps/WpfApplication/WpfApplication.csproj b/SampleApps/WpfApplication/WpfApplication.csproj
index e5af2f6c..06ef50ff 100644
--- a/SampleApps/WpfApplication/WpfApplication.csproj
+++ b/SampleApps/WpfApplication/WpfApplication.csproj
@@ -9,12 +9,14 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>WpfApplication</RootNamespace>
     <AssemblyName>WpfApplication</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <TargetFrameworkProfile />
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -86,6 +88,10 @@
       <Project>{a204a102-c745-4d65-aec8-7b96faedef2d}</Project>
       <Name>MapControl.WPF</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\SqLiteCache\WPF\SQLiteCache.WPF.csproj">
+      <Project>{0109c2f0-ba2c-420f-b2ca-db5b29b1a349}</Project>
+      <Name>SQLiteCache.WPF</Name>
+    </ProjectReference>
   </ItemGroup>
   <ItemGroup>
     <Resource Include="..\Shared\10_535_330.jpg">