Help PC Infected With Win32/Heur

[VarDOS]

Hi Friends,
Since Last Week my PC has been infected with "Win32/Heur" which is been detected by AVG Antivirus, rest all ESET, QuickHeal doesn't detect it.

It is not leaving me PC, I formatted by PC 6 times.. but on first start after installation PC is ok...but after reboot it is infecting the LOGONUI.exe file and also doesn't let install any new softwares

PLS HELP

[himadri_sm]

try this- http://www.scanforfree.com/07/remove-win32.heur.html

[VarDOS]

thanks for reply but I have tried it earlier and It did not showed me any infected files..
any other help

as mentioned above after I restart my windows XP logon screen becomes classic ones, and also an error comes

"RUN DLL AS APP"

[SEND] [DON'T SEND]

and then an error comes

WINDOWS HAS CLOSED THIS PROGRAM FOR SECURITY
[CLOSE PROGRAM]

[Bookworm]

Try NoobKiller. Search for it in google. It has worked for me. I was not able to delete the boot.com virus but with this program the virus was forced to be deleted. Ty it. Very good virus killer.