Add project files.

Update.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 14
+VisualStudioVersion = 14.0.25420.1
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Update", "Update\Update.csproj", "{6ED373BB-ABD5-4D93-A362-2FD31DF2D2A9}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{6ED373BB-ABD5-4D93-A362-2FD31DF2D2A9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6ED373BB-ABD5-4D93-A362-2FD31DF2D2A9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6ED373BB-ABD5-4D93-A362-2FD31DF2D2A9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6ED373BB-ABD5-4D93-A362-2FD31DF2D2A9}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

Update/App.config

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+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+    <startup useLegacyV2RuntimeActivationPolicy="true"> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
+    </startup>
+</configuration>