diff --git a/TwlBkpCheck/Windows/FalsifyTwlBackup/FalsifyTwlBackup.sln b/TwlBkpCheck/Windows/FalsifyTwlBackup/FalsifyTwlBackup.sln
deleted file mode 100644
index bfc8b19..0000000
--- a/TwlBkpCheck/Windows/FalsifyTwlBackup/FalsifyTwlBackup.sln
+++ /dev/null
@@ -1,20 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 11.00
-# Visual C# Express 2010
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FalsifyTwlBackup", "FalsifyTwlBackup\FalsifyTwlBackup.csproj", "{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|x86 = Debug|x86
-		Release|x86 = Release|x86
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Debug|x86.ActiveCfg = Debug|x86
-		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Debug|x86.Build.0 = Debug|x86
-		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Release|x86.ActiveCfg = Release|x86
-		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Release|x86.Build.0 = Release|x86
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-EndGlobal
diff --git a/TwlBkpCheck/Windows/TWLBackupBlock/Properties/Resources.Designer.cs b/TwlBkpCheck/Windows/TWLBackupBlock/Properties/Resources.Designer.cs
index ac2ffd0..425bf99 100644
--- a/TwlBkpCheck/Windows/TWLBackupBlock/Properties/Resources.Designer.cs
+++ b/TwlBkpCheck/Windows/TWLBackupBlock/Properties/Resources.Designer.cs
@@ -1,7 +1,7 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     このコードはツールによって生成されました。
-//     ランタイム バージョン:2.0.50727.4959
+//     ランタイム バージョン:4.0.30319.225
 //
 //     このファイルへの変更は、以下の状況下で不正な動作の原因になったり、
 //     コードが再生成されるときに損失したりします。
@@ -17,9 +17,9 @@ namespace TwlBackupBlock.Properties {
     /// </summary>
     // このクラスは StronglyTypedResourceBuilder クラスが ResGen
     // または Visual Studio のようなツールを使用して自動生成されました。
-    // メンバを追加または削除するには、.ResX ファイルを編集して、/str オプションと共に
+    // メンバーを追加または削除するには、.ResX ファイルを編集して、/str オプションと共に
     // ResGen を実行し直すか、または VS プロジェクトをビルドし直します。
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "2.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
     internal class Resources {
diff --git a/TwlBkpCheck/Windows/TWLBackupBlock/Properties/Settings.Designer.cs b/TwlBkpCheck/Windows/TWLBackupBlock/Properties/Settings.Designer.cs
index 2e8ed9f..e9a3374 100644
--- a/TwlBkpCheck/Windows/TWLBackupBlock/Properties/Settings.Designer.cs
+++ b/TwlBkpCheck/Windows/TWLBackupBlock/Properties/Settings.Designer.cs
@@ -1,7 +1,7 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     このコードはツールによって生成されました。
-//     ランタイム バージョン:2.0.50727.4959
+//     ランタイム バージョン:4.0.30319.225
 //
 //     このファイルへの変更は、以下の状況下で不正な動作の原因になったり、
 //     コードが再生成されるときに損失したりします。
@@ -12,7 +12,7 @@ namespace TwlBackupBlock.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "9.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "10.0.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
diff --git a/TwlBkpCheck/Windows/TWLBackupBlock/TWLBackupBlock.sln b/TwlBkpCheck/Windows/TWLBackupBlock/TWLBackupBlock.sln
deleted file mode 100644
index 864a6c6..0000000
--- a/TwlBkpCheck/Windows/TWLBackupBlock/TWLBackupBlock.sln
+++ /dev/null
@@ -1,20 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 10.00
-# Visual C# Express 2008
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TwlBackupBlock", "TWLBackupBlock\TwlBackupBlock.csproj", "{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-EndGlobal
diff --git a/TwlBkpCheck/Windows/TWLBackupBlock/TwlBackupBlock.csproj b/TwlBkpCheck/Windows/TWLBackupBlock/TwlBackupBlock.csproj
index 6ece8d8..cb4eba2 100644
--- a/TwlBkpCheck/Windows/TWLBackupBlock/TwlBackupBlock.csproj
+++ b/TwlBkpCheck/Windows/TWLBackupBlock/TwlBackupBlock.csproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -10,8 +10,12 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>TwlBackupBlock</RootNamespace>
     <AssemblyName>TwlBackupBlock</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <FileUpgradeFlags>
+    </FileUpgradeFlags>
+    <OldToolsVersion>3.5</OldToolsVersion>
+    <UpgradeBackupLocation />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/TwlBkpCheck/Windows/TwlBkpCheck.sln b/TwlBkpCheck/Windows/TwlBkpCheck.sln
new file mode 100644
index 0000000..8b836e2
--- /dev/null
+++ b/TwlBkpCheck/Windows/TwlBkpCheck.sln
@@ -0,0 +1,42 @@
+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual C# Express 2010
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FalsifyTwlBackup", "FalsifyTwlBackup\FalsifyTwlBackup.csproj", "{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TwlBackupBlock", "TWLBackupBlock\TwlBackupBlock.csproj", "{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Debug|Mixed Platforms = Debug|Mixed Platforms
+		Debug|x86 = Debug|x86
+		Release|Any CPU = Release|Any CPU
+		Release|Mixed Platforms = Release|Mixed Platforms
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Debug|Any CPU.ActiveCfg = Debug|x86
+		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Debug|Mixed Platforms.ActiveCfg = Debug|x86
+		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Debug|Mixed Platforms.Build.0 = Debug|x86
+		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Debug|x86.ActiveCfg = Debug|x86
+		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Debug|x86.Build.0 = Debug|x86
+		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Release|Any CPU.ActiveCfg = Release|x86
+		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Release|Mixed Platforms.ActiveCfg = Release|x86
+		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Release|Mixed Platforms.Build.0 = Release|x86
+		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Release|x86.ActiveCfg = Release|x86
+		{9DC0BCC2-4A60-4077-96CF-CDD92D32A55F}.Release|x86.Build.0 = Release|x86
+		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
+		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Release|Mixed Platforms.Build.0 = Release|Any CPU
+		{E62F6169-868A-48E4-9B1D-C2EB3BE11F39}.Release|x86.ActiveCfg = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal