diff --git a/CommonWPF/CommonWPF.csproj b/CommonWPF/CommonWPF.csproj
index ddf43d3..101b77e 100644
--- a/CommonWPF/CommonWPF.csproj
+++ b/CommonWPF/CommonWPF.csproj
@@ -65,6 +65,9 @@
       <DesignTimeSharedInput>True</DesignTimeSharedInput>
     </Compile>
     <Compile Include="WindowPlacement.cs" />
+    <Compile Include="WorkProgress.xaml.cs">
+      <DependentUpon>WorkProgress.xaml</DependentUpon>
+    </Compile>
     <Compile Include="WPFExtensions.cs" />
     <EmbeddedResource Include="Properties\Resources.resx">
       <Generator>ResXFileCodeGenerator</Generator>
@@ -75,5 +78,11 @@
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
     </None>
   </ItemGroup>
+  <ItemGroup>
+    <Page Include="WorkProgress.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </Page>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/SourceGenWPF/WpfGui/WorkProgress.xaml b/CommonWPF/WorkProgress.xaml
similarity index 83%
rename from SourceGenWPF/WpfGui/WorkProgress.xaml
rename to CommonWPF/WorkProgress.xaml
index 5b20b4c..b4d6363 100644
--- a/SourceGenWPF/WpfGui/WorkProgress.xaml
+++ b/CommonWPF/WorkProgress.xaml
@@ -14,17 +14,23 @@ See the License for the specific language governing permissions and
 limitations under the License.
 -->
 
-<Window x:Class="SourceGenWPF.WpfGui.WorkProgress"
+<Window x:Class="CommonWPF.WorkProgress"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:local="clr-namespace:SourceGenWPF.AsmGen.WpfGui"
+        xmlns:system="clr-namespace:System;assembly=mscorlib"
+        xmlns:local="clr-namespace:CommonWPF"
         mc:Ignorable="d"
         Title="Progress"
         SizeToContent="WidthAndHeight" ResizeMode="NoResize"
         ShowInTaskbar="False" WindowStartupLocation="CenterOwner"
         Loaded="Window_Loaded" Closing="Window_Closing">
+
+    <Window.Resources>
+        <system:String x:Key="str_OperationFailedCaption">Failed</system:String>
+    </Window.Resources>
+
     <StackPanel Margin="8">
         <TextBlock Name="messageText" HorizontalAlignment="Left" Text="Preparing..."/>
         <ProgressBar Name="progressBar" Width="600" Height="23" Margin="0,8,0,0"/>
diff --git a/SourceGenWPF/WpfGui/WorkProgress.xaml.cs b/CommonWPF/WorkProgress.xaml.cs
similarity index 96%
rename from SourceGenWPF/WpfGui/WorkProgress.xaml.cs
rename to CommonWPF/WorkProgress.xaml.cs
index bbe91fa..5dd4fbd 100644
--- a/SourceGenWPF/WpfGui/WorkProgress.xaml.cs
+++ b/CommonWPF/WorkProgress.xaml.cs
@@ -18,7 +18,7 @@ using System.ComponentModel;
 using System.Diagnostics;
 using System.Windows;
 
-namespace SourceGenWPF.WpfGui {
+namespace CommonWPF {
     /// <summary>
     /// Cancelable progress dialog.
     /// </summary>
@@ -127,7 +127,8 @@ namespace SourceGenWPF.WpfGui {
                 }
             } else if (e.Error != null) {
                 // Unexpected; success/failure should be passed through e.Result.
-                MessageBox.Show(e.Error.ToString(), Res.Strings.OPERATION_FAILED,
+                string failMsg = (string)FindResource("str_OperationFailedCaption");
+                MessageBox.Show(e.Error.ToString(), failMsg,
                     MessageBoxButton.OK, MessageBoxImage.Error);
                 DialogResult = false;
             } else {
diff --git a/SourceGenWPF/AsmGen/WpfGui/GenAndAsm.xaml.cs b/SourceGenWPF/AsmGen/WpfGui/GenAndAsm.xaml.cs
index 2723eb5..2adfbf7 100644
--- a/SourceGenWPF/AsmGen/WpfGui/GenAndAsm.xaml.cs
+++ b/SourceGenWPF/AsmGen/WpfGui/GenAndAsm.xaml.cs
@@ -23,6 +23,7 @@ using System.Windows;
 using System.Windows.Controls;
 
 using CommonUtil;
+using CommonWPF;
 using SourceGenWPF.WpfGui;
 
 namespace SourceGenWPF.AsmGen.WpfGui {
diff --git a/SourceGenWPF/SourceGenWPF.csproj b/SourceGenWPF/SourceGenWPF.csproj
index 0af819b..0b47d59 100644
--- a/SourceGenWPF/SourceGenWPF.csproj
+++ b/SourceGenWPF/SourceGenWPF.csproj
@@ -130,9 +130,6 @@
     <Compile Include="Tools\WpfGui\HexDumpViewer.xaml.cs">
       <DependentUpon>HexDumpViewer.xaml</DependentUpon>
     </Compile>
-    <Compile Include="WpfGui\WorkProgress.xaml.cs">
-      <DependentUpon>WorkProgress.xaml</DependentUpon>
-    </Compile>
     <Compile Include="AsmGen\WpfGui\GenAndAsm.xaml.cs">
       <DependentUpon>GenAndAsm.xaml</DependentUpon>
     </Compile>
@@ -293,10 +290,6 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
-    <Page Include="WpfGui\WorkProgress.xaml">
-      <SubType>Designer</SubType>
-      <Generator>MSBuild:Compile</Generator>
-    </Page>
     <Page Include="AsmGen\WpfGui\GenAndAsm.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>