WMIHookBtnFn is a software product for Windows developed by MICRO-STAR INT'L,.LTD.
It is reported that the following Windows processes are part of WMIHookBtnFn:
If you want to remove WMIHookBtnFn from your computer, just go to Start > Control Panel > Add/Remove programs and select WMIHookBtnFn from the list of programs.