I attached a more complete debug dump. This should highlight the issues for you. Without seeing the source, I can only guess as to the root of the problem, but my initial guess would be there is either invalid XML or it can't find the file to parse the XML from. It appears to be blowing up in the ...

If you point me to your repo I'll check out the project and build it locally.....unless the reason I don't see links to the source is because it's not open sourced, in which cause I guess I'll just wait. :) I have VS 2012 installed, so I might be able to lend you a hand (assuming you did it in C ...

[quote="mgalaxy"] Do you get an error in both mGalaxy and mGalaxy_Runway? [/quote] No, the Runway application runs with no issues. I configured everything there (pointing out my rom paths, exe paths, built databases, etc). I didn't run into the issue until I tried starting the main application.

OS: Win 7 Ultimate x64 (UAC disabled) Mgalaxy Version: 5.0 Here is the callstack of what I'm getting when attempting to start: WindowsBase.dll!System.Windows.Threading.DispatcherOperation.InvokeImpl() + 0xac bytes WindowsBase.dll!System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext ...