I have the exact same line. I have another example I built where I did the DX9 initialization based on the integration example and that runs. I emailed zip file, too large to post here.

Yes it launches with Gui.Launcher. My guess its related to the initialization code. I was using the sample launcher application code at: http://www.noesisengine.com/docs/Gui.Core.ApplicationTutorial.html The only difference is I'm launching the TicTacToe app rather than RssReader shown in tutorial.

How was this resolved? I'm seeing the same stack trace and exception thrown if I try to create a standalone application with the TicTacToe.App class. Unable to create device Unknown[0x80070057] [ 0] [0x100153B6] Noesis.dll!Noesis::Core::InvokeErrorHandler + 0x76 bytes [ 1] [0x100931FB] Noesis.dll!No...