HackShield error 66817

After ~2 minutes, MS shuts down, with

HackShield: Initialization Error (66817)
Detected game hack tool execution.

Shut down most of the stuff I run and it didn't help, this is what is still running.

Logfile of HijackThis v1.99.1
Scan saved at 9:20:48 AM, on 4/28/2009
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16827)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\stsystra.exe
C:\WINDOWS\system32\dla\tfswctrl.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe
D:\Program Files\Taskix\Taskix32.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\calc.exe
C:\WINDOWS\system32\calc.exe
D:\Program Files\mIRC\mirc.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\WINDOWS\system32\taskmgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\TortoiseSVN\bin\TSVNCache.exe
D:\Program Files\HijackThis\HijackThis.exe

I have no idea why any of these would be detected as hacking tools, and a lot of them are kinda vital Windows services so I don't know what to shut down >_>