grpconv.exe (grpconv stands for Windows Program Group Converter) is a Windows NT/2000/XP generic process used for converting program groups from older versions of Windows.
The process grpconv is not in any way a virus, a worm, a Trojan horse, spyware, or adware.
The file that corresponds to this process is normally found in the directory "%SystemRoot%\system32\grpconv.exe" (where %systemroot% is usually C:\WINDOWS by default).
It is a process which can be terminated.
