I am at a complete loss as to what is going on. This issue came out of nowhere. I checked the output window, which gave me this bit of information:
MyApplication.vshost.exe: Managed (v4.0.30319)' has exited with code -1073740771 (0xc000041d)
Looks like vshost32.exe is having issues. I've reinstalled VS2010 and no luck.
Anyone have some clues? I'll update my question as I find more information. Many thanks to all who help in advance.