http://www.pestpatrol.com/pestinfo/p/pqwak.asp
Manual Removal: Follow these steps to remove PQwak from your machine. Begin by backing up your registry and your system, and/or setting a Restore Point, to prevent trouble if you make a mistake.
Stop Running Processes:
Kill these running processes with Task Manager:
pqwak.exe
pqwak2.exe
pqwakpatch.exe
Remove Files:
Remove these files (if present) with Windows Explorer:
pqwak.exe
pqwak2.exe
pqwakpatch.exe
readme.txt
viel glück
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so die demo von deus ex 2 ist endlich auf dem Rechner, bis später denn