diff --git a/PdfScribe/PdfScribe.csproj b/PdfScribe/PdfScribe.csproj
index 85a278e..c618e54 100644
--- a/PdfScribe/PdfScribe.csproj
+++ b/PdfScribe/PdfScribe.csproj
@@ -100,7 +100,6 @@
       <DependentUpon>ActivityNotification.xaml</DependentUpon>
     </Compile>
     <Compile Include="ActivityNotificationPresenter.cs" />
-    <Compile Include="ErrorDialogPresenter.cs" />
     <Compile Include="GhostScript64.cs" />
     <Compile Include="NativeMethods.cs" />
     <Compile Include="Program.cs" />
@@ -144,6 +143,12 @@
       <Generator>MSBuild:Compile</Generator>
     </Page>
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\PdfScribeCore\PdfScribeCore.csproj">
+      <Project>{1EAD8E9A-A123-4C37-B31E-AEE1354DF003}</Project>
+      <Name>PdfScribeCore</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
     <PostBuildEvent>copy "$(TargetPath)"  "$(SolutionDir)PdfScribeInstall\PrimaryOutputHarvest\$(TargetFileName)"
diff --git a/PdfScribe/Program.cs b/PdfScribe/Program.cs
index 99dbea7..f5ac268 100644
--- a/PdfScribe/Program.cs
+++ b/PdfScribe/Program.cs
@@ -8,6 +8,8 @@ using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading;
 
+using PdfScribeCore;
+
 namespace PdfScribe
 {
     public class Program