windows XP hangs at black screen before login

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tim167167

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Joined
Dec 29, 2010
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Hello,
My windows installation won't start anymore.
It hangs at a black screen when the login screen should appear. (point "5)" below is the current state)
This is the history:
1) The windows xp wouldn't boot, (even the XP logo didn't appear).
2) I found out it was because of a virus. (running in safe mode showed an error message)
3) I was able to remove some files that looked supicious from the WINDOWS/system32 directory. (by booting into linux and mounting the windows disk there, also ran ClamAV...etc)
some of the files I removed were: "khvcol.exe", "gp1 .exe" (with a space)
4) At that point I tried to boot the windows and it _did_ boot again.
However, I still got some annoying popups, which I thought were related to more viruses,
so I went ahead and removed some more files the same way as above...
5) Now when I try to boot, it hangs at this black screen when the login screen should appear.
I'm afraid I may have removed a file too many...
this is what I removed:
./WINDOWS/system32/lsass.exe (I already discovered that lsass.exe was not to be removed, but I kept a backup copy and put it back)
WINDOWS/\$NtServicePackUninstall\$/lsass.exe (I read somewhere that when present anywhere other than WINDOWS/system32 this is probably a virus)
WINDOWS/ServicePackFiles/i386/lsass.exe (I read somewhere that when present anywhere other than ./WINDOWS/system32 this is probably a virus)
WINDOWS/system32/app_dll.dll
Documents\ and\ Settings/Administrator/Local\ Settings/Temp/khvcol.exe
Program\ Files/MSN\ Gaming\ Zone/Windows/hrtzzm.exe
my guess is that lsass.exe is the problem, because it has something to do with login...?
can anyone help me get this windows running again ?
thanks
Tim
 
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