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ok, few things:
I've repaired dozens of these already.
Symptoms are easy enough to spot, system detected a virus, asks for the windows sp3 cd then shuts down in 60 seconds, on rebooting though ends up at a blank screen with just the cursor, booting into safe mode and the task manager don't help.
The files this virus infects is LSASS.EXE in the C:\WINDOWS\SYSTEM32 and C:\WINDOWS\SYSTEM32\DLLCACHE folders.
The SOURCE of the virus is strange, turns out certain downloaded copies of the SP3 installer for windows (including the one from the windows update site) were pre-infected, no way microsoft would admit to this though.
The way to repair a downed machine is fortunatly very simple:
1. Boot off a Windows XP Home or Pro CD (Doesn't seem to matter which one). 2. Start Recovery Console
(In the next step, D is my CDROM, change the letter if neccessary)
3. Type : copy d:\i386\lsass.ex_ c:\windows\system32\lsass.exe 4. Type : copy d:\i386\lsass.ex_ c:\windows\system32\dllcache\lsass.exe
5. Reboot system
Windows should start fine.
Anyhows, that should fix it for you
Good luck to all,
CorpBlitz
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