diff --git a/PdfScribe/ActivityNotificationPresenter.cs b/PdfScribe/ActivityNotificationPresenter.cs
index fc7a067..84e2d89 100644
--- a/PdfScribe/ActivityNotificationPresenter.cs
+++ b/PdfScribe/ActivityNotificationPresenter.cs
@@ -35,9 +35,9 @@ namespace PdfScribe
         {
             if (this.activityWindowApp == null)
             {
+                activityWindowApp = new Application();
                 var activityWindowThread = new Thread(new ThreadStart(() =>
                 {
-                    activityWindowApp = new Application();
                     activityWindow = new ActivityNotification();
                     activityWindowApp.ShutdownMode = ShutdownMode.OnExplicitShutdown;
                     activityWindowApp.Run(activityWindow);
diff --git a/PdfScribe/ErrorDialogPresenter.cs b/PdfScribe/ErrorDialogPresenter.cs
deleted file mode 100644
index 52fd42f..0000000
--- a/PdfScribe/ErrorDialogPresenter.cs
+++ /dev/null
@@ -1,74 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Windows;
-
-using APICodePack = Microsoft.WindowsAPICodePack.Dialogs;
-
-namespace PdfScribe
-{
-    public class ErrorDialogPresenter
-    {
-        #region Ctor
-        /// <summary>
-        /// Default constructor
-        /// </summary>
-        public ErrorDialogPresenter()
-        {}
-
-        /// <summary>
-        /// Ctor overload that shows the
-        /// task dialog immediately
-        /// </summary>
-        /// <param name="captionText">Text that goes in the window caption</param>
-        /// <param name="instructionText">Instructional text (Appears next to the icon)</param>
-        /// <param name="messageText">Smaller message detail text at bottom</param>
-        public ErrorDialogPresenter(String captionText,
-                                    String instructionText,
-                                    String messageText)
-        {
-            ShowSimple(captionText, instructionText, messageText);
-        }
-
-        #endregion
-
-        /// <summary>
-        /// Pops up a simple TaskDialog box
-        /// with a standard error icon, and
-        /// just a Close button
-        /// </summary>
-        /// <param name="captionText">Text that goes in the window's caption</param>
-        /// <param name="instructionText">Instructional text (Appears next to the error icon)</param>
-        /// <param name="messageText">Smaller message detail text at bottom</param>
-        public void ShowSimple(String captionText,
-                               String instructionText,
-                               String messageText)
-        {
-            using (APICodePack.TaskDialog errorDialog = new APICodePack.TaskDialog())
-            {
-                errorDialog.Caption = captionText;
-                errorDialog.InstructionText = instructionText;
-                errorDialog.Text = messageText;
-                errorDialog.Icon = APICodePack.TaskDialogStandardIcon.Error;
-                errorDialog.StandardButtons = APICodePack.TaskDialogStandardButtons.Close;
-                errorDialog.Opened += new EventHandler(errorDialog_Opened);
-                errorDialog.Show();                
-            }
-        }
-
-        private void errorDialog_Opened(object sender, EventArgs e)
-        {
-            // Really fucking annoying -
-            // There's a bug somewhere in the API Code Pack that
-            // causes the icon not to show
-            // unless you set it on the Opened event
-            // See: http://stackoverflow.com/questions/15645592/taskdialogstandardicon-not-working-on-task-dialog
-            // One of these days I'll try to find and fix it (honestly I hope
-            // someone else fixes first - also why isn't the API Code pack on codeplex
-            // or github so people can push patches), but until then...
-            ((APICodePack.TaskDialog)sender).Icon = APICodePack.TaskDialogStandardIcon.Error;
-        }
-
-    }
-}
diff --git a/PdfScribeCore/ErrorDialogPresenter.cs b/PdfScribeCore/ErrorDialogPresenter.cs
new file mode 100644
index 0000000..a8f1b9e
--- /dev/null
+++ b/PdfScribeCore/ErrorDialogPresenter.cs
@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+
+using APICodePack = Microsoft.WindowsAPICodePack.Dialogs;
+
+namespace PdfScribeCore
+{
+    public class ErrorDialogPresenter : TaskDialogPresenter
+    {
+        protected override APICodePack.TaskDialogStandardIcon DefaultTaskIcon
+        {
+            get { return APICodePack.TaskDialogStandardIcon.Error; }
+        }
+
+        public ErrorDialogPresenter()
+            : base()
+        {
+
+        }
+
+        /// <summary>
+        /// Ctor that shows the
+        /// task dialog immediately
+        /// </summary>
+        /// <param name="captionText">Text that goes in the window caption</param>
+        /// <param name="instructionText">Instructional text (Appears next to the icon)</param>
+        /// <param name="messageText">Smaller message detail text at bottom</param>
+        public ErrorDialogPresenter(String captionText,
+                                    String instructionText,
+                                    String messageText) :
+                                    base(captionText, instructionText, messageText)
+        {
+        }
+
+
+
+    }
+}
diff --git a/PdfScribeCore/PdfScribeCore.csproj b/PdfScribeCore/PdfScribeCore.csproj
index bf2c97a..55189ef 100644
--- a/PdfScribeCore/PdfScribeCore.csproj
+++ b/PdfScribeCore/PdfScribeCore.csproj
@@ -86,6 +86,8 @@
     <Reference Include="Microsoft.WindowsAPICodePack">
       <HintPath>..\Lib\Microsoft.WindowsAPICodePack.dll</HintPath>
     </Reference>
+    <Reference Include="PresentationCore" />
+    <Reference Include="PresentationFramework" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
@@ -99,6 +101,7 @@
     <Compile Include="..\Common\PdfScribeSharedAssemblyInfo.cs">
       <Link>PdfScribeSharedAssemblyInfo.cs</Link>
     </Compile>
+    <Compile Include="ErrorDialogPresenter.cs" />
     <Compile Include="TaskDialogPresenter.cs" />
     <Compile Include="PdfScribeInstaller.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
diff --git a/PdfScribeCore/PdfScribeInstaller.cs b/PdfScribeCore/PdfScribeInstaller.cs
index 7c299b8..e175798 100644
--- a/PdfScribeCore/PdfScribeInstaller.cs
+++ b/PdfScribeCore/PdfScribeInstaller.cs
@@ -624,6 +624,7 @@ namespace PdfScribeCore
         public bool UninstallPdfScribePrinter()
         {
             bool printerUninstalledCleanly = true;
+            ErrorDialogPresenter test = new ErrorDialogPresenter();
 
             if (!DeletePdfScribePrinter())
                 printerUninstalledCleanly = false;
diff --git a/PdfScribeCore/TaskDialogPresenter.cs b/PdfScribeCore/TaskDialogPresenter.cs
index 3d6d5e6..dbe758c 100644
--- a/PdfScribeCore/TaskDialogPresenter.cs
+++ b/PdfScribeCore/TaskDialogPresenter.cs
@@ -8,11 +8,29 @@ using APICodePack = Microsoft.WindowsAPICodePack.Dialogs;
 
 namespace PdfScribeCore
 {
-    abstract class TaskDialogPresenter
+    public abstract class TaskDialogPresenter
     {
 
         protected abstract APICodePack.TaskDialogStandardIcon DefaultTaskIcon { get; } // Override this to set the dialog icon you want
 
+
+        public TaskDialogPresenter()
+        { }
+
+        /// <summary>
+        /// Ctor that shows the
+        /// task dialog immediately
+        /// </summary>
+        /// <param name="captionText">Text that goes in the window caption</param>
+        /// <param name="instructionText">Instructional text (Appears next to the icon)</param>
+        /// <param name="messageText">Smaller message detail text at bottom</param>
+        public TaskDialogPresenter(String captionText,
+                                        String instructionText,
+                                        String messageText)
+        {
+            ShowSimple(captionText, instructionText, messageText);
+        }
+
         /// <summary>
         /// Pops up a simple TaskDialog box
         /// with just a Close button and
diff --git a/PdfScribeUnitTests/UnitTests.cs b/PdfScribeUnitTests/UnitTests.cs
index 3ed0932..7728719 100644
--- a/PdfScribeUnitTests/UnitTests.cs
+++ b/PdfScribeUnitTests/UnitTests.cs
@@ -55,7 +55,7 @@ namespace PdfScribeUnitTests
             scribeInstaller.InstallPdfScribePrinter(@"C:\Code\PdfScribe\Lib\", String.Empty, String.Empty);
         }
 
-        [Test]
+        //[Test]
         public void Test_UninstallPdfScribePrinter()
         {
             var scribeInstaller = new PdfScribeInstaller();
@@ -71,19 +71,20 @@ namespace PdfScribeUnitTests
 
         #endregion
 
-        //[Test]
+        [Test]
         public void Test_ShowActivityWindows()
         {
             var activityWindowTester = new PdfScribe.ActivityNotificationPresenter();
             activityWindowTester.ShowActivityNotificationWindow();
-            Thread.Sleep(20000);
+            //Thread.Sleep(20000);
+            //activityWindowTester.ShowErrorDialog();
             activityWindowTester.CloseActivityNotificationWindow();
         }
         
         //[Test]
         public void Test_ShowSimpleError()
         {
-            var errorDialog = new PdfScribe.ErrorDialogPresenter("Error Caption", "Error Instructions", "Message text");
+            var errorDialog = new PdfScribeCore.ErrorDialogPresenter("Error Caption", "Error Instructions", "Message text");
         }
 
 #endif