Microsoft Visual c++ RuntimeLibrary error message

I have a Windows XP SP 3 machine where I am trying to run a Microsoft Visual C++ 6.0 program.
When I am trying to run my customized MS Visual C++ I get the following error message:
This application has requested the Runtime to it in an unusual way. Please contact the application’s support team for more information.
When I click on Ok It shuts down my machine eventually. I am trying to use to /GR and/MD compiler switches.
Later after a reboot this error keeps popping up for whichever application I try to open. Any help is appreciated.
