diff --git a/AupLauncher/FormMain.cs b/AupLauncher/FormMain.cs
index a9067b8..a553add 100644
--- a/AupLauncher/FormMain.cs
+++ b/AupLauncher/FormMain.cs
@@ -7,6 +7,8 @@ namespace AupLauncher
 {
 	public partial class FormMain : Form
 	{
+		private readonly LocalizedExecutionKind _ek_invalid_value = ExecutionKind.InvalidValue.Localized();
+
 		public FormMain()
 		{
 			this.InitializeComponent();
@@ -18,7 +20,6 @@ private void FormMain_Load(object sender, EventArgs e)
 			if (!Program.Settings.IsInstalled) {
 				Program.Settings.Install();
 			}
-			cbox_invfile.Items.Add(ExecutionKind.InvalidValue    .Localized());
 			cbox_invfile.Items.Add(ExecutionKind.ShowError       .Localized());
 			cbox_invfile.Items.Add(ExecutionKind.Nothing         .Localized());
 			cbox_invfile.Items.Add(ExecutionKind.AviUtl          .Localized());
@@ -120,6 +121,10 @@ private void btnReload_Click(object sender, EventArgs e)
 
 		private void btnSave_Click(object sender, EventArgs e)
 		{
+			if (!_ek_invalid_value.Equals(cbox_invfile.SelectedItem)) {
+				cbox_invfile.Items.Remove(_ek_invalid_value);
+			}
+
 			Program.Settings.Default.AviUtlPath           = tbox_avi_path.Text;
 			Program.Settings.Default.AviUtlArgs           = tbox_avi_args.Text;
 			Program.Settings.Default.AudacityPath         = tbox_aud_path.Text;
@@ -148,13 +153,21 @@ private void btnUninstall_Click(object sender, EventArgs e)
 
 		private void RefreshControls()
 		{
+			var hfif = Program.Settings.Default.HandleForInvalidFile;
+			if (cbox_invfile.Items.Contains(_ek_invalid_value)) {
+				cbox_invfile.Items.Remove(_ek_invalid_value);
+			}
+			if (hfif == ExecutionKind.InvalidValue) {
+				cbox_invfile.Items.Add(_ek_invalid_value);
+			}
+
 			tbox_avi_path.Text        = Program.Settings.Default.AviUtlPath;
 			tbox_avi_args.Text        = Program.Settings.Default.AviUtlArgs;
 			tbox_aud_path.Text        = Program.Settings.Default.AudacityPath;
 			tbox_aud_args.Text        = Program.Settings.Default.AudacityArgs;
 			tbox_cus_path.Text        = Program.Settings.Default.CustomProgramPath;
 			tbox_cus_args.Text        = Program.Settings.Default.CustomProgramArgs;
-			cbox_invfile.SelectedItem = Program.Settings.Default.HandleForInvalidFile.Localized();
+			cbox_invfile.SelectedItem = hfif.Localized();
 
 			this.SetCustomProgramEnabled();
 
diff --git a/AupLauncher/Program.cs b/AupLauncher/Program.cs
index 227c3e9..1bf8d75 100644
--- a/AupLauncher/Program.cs
+++ b/AupLauncher/Program.cs
@@ -14,8 +14,8 @@ public static class Program
 		public const string Description    = "Launcher for AviUtl & Audacity Project Files";
 		public const string Author         = "Takym";
 		public const string Copyright      = "Copyright (C) 2020 Takym.";
-		public const string Version        = "0.0.0.5";
-		public const string CodeName       = "aupl00a5";
+		public const string Version        = "0.0.0.6";
+		public const string CodeName       = "aupl00a6";
 
 		public static Settings Settings { get; private set; }
 
diff --git a/README.md b/README.md
index 761d5d4..a28504c 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,7 @@ Windows 10 (1909) 
 ## バージョン履歴
 |バージョン|開発コード名|更新日    |内容                                                                                           |
 |:--------:|:----------:|:---------|:----------------------------------------------------------------------------------------------|
+|v0.0.0.6  |aupl00a6    |2020/04/04|無効なファイルの処理の「無効な値」を非表示にした。                                             |
 |v0.0.0.5  |aupl00a5    |2020/04/03|説明書きを分かり易く修正。                                                                     |
 |v0.0.0.4  |aupl00a4    |2020/03/31|ファイル名の空白を正しく処理する様にした。                                                     |
 |v0.0.0.3  |aupl00a3    |2020/03/29|[?]ボタンが表示されない現象を修正した。無効なファイルを開いた時、設定画面を表示できる様にした。|
@@ -99,6 +100,7 @@ Please refer [LICENSE.txt](LICENSE.txt) for more information.
 ## Change Log
 |Version   |Code Name   |Update    |Changes                                                                                  |
 |:--------:|:----------:|:---------|:----------------------------------------------------------------------------------------|
+|v0.0.0.6  |aupl00a6    |2020/04/04|Invisibled the "invalid value" item of handles for an invalid file.                      |
 |v0.0.0.5  |aupl00a5    |2020/04/03|Fixed this manual friendly only.                                                         |
 |v0.0.0.4  |aupl00a4    |2020/03/31|Fixed to process for blanks in a file name.                                              |
 |v0.0.0.3  |aupl00a3    |2020/03/29|Fixed to show [?] button. Added a handle to show the settings window for an invalid file.|