diff --git a/Program.cs b/Program.cs
index 133c89e64..2f8668e29 100644
--- a/Program.cs
+++ b/Program.cs
@@ -104,6 +104,7 @@ namespace MatterHackers.MatterControl
 
 			// Set default Agg providers
 			AggContext.Config.ProviderTypes.SystemWindowProvider = "MatterHackers.GlfwProvider.GlfwWindowProvider, MatterHackers.GlfwProvider";
+			AggContext.Config.ProviderTypes.SystemWindowProvider = "MatterHackers.MatterControl.WinformsSingleWindowProvider, MatterControl.Winforms";
 
 			string userProfilePath = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
 
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index 930312b7c..720454009 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit 930312b7cd5c835511297c374064f7b6f83e0a83
+Subproject commit 720454009fedaec204b041fa934e0eeb4d2b0f5f