Yea, I had some of the same problems. To start if 'main.xml.out' exist, delete it.
Click on it and hit delete. Click on the project name or the main source file and then hit F11 ( or click on the debug button in the menu above your code).
You can also just 'Run' the application if you don't want to debug.
I do not know about the 'no debugger' window, I have never seen it.
Try this and see what happens.
Hope this helps