We are working on vs 2010 windows 7, 32 bit and the project is running under target framework 3.5.
Now we are implementing credit card process in the website project
Please check for System.Diagnostics.Debugger.Launch(); or Debugger.Launch(); in the cs file. Commenting the code, starting the application worked fine for me.!
System.Diagnostics.Debugger.Launch();
Debugger.Launch();