WMI can stand for Windows Management Instrumentation. I think this is used for the Windows operating system. Can you tell if it is a message caused by Windows or by your game? Try opening task manager and closing the process wmiprvse.exe if it is running. Then go to Start-->Run, and type in C:\Windows\system32\wbem\wmiprvse.exe. See if that works.
Oh yeah, I'm not sure if this will work if you don't have Windows XP.
Hoping to help
kitty500cat
welcome to Techspot, btw.