Winlogon.exe crash! Fatal error blue screen and reboot afterwards!

Winlogon.exe crash! Fatal error blue screen and reboot afterwards!

Hello,

I am having some problems, when I start my computer, I get the following blue screen and reboot afterwards

"STOP C000021a (fatal system error)
The windows logon process system process terminated unexpectedly with a status of Oxc0000005 (ox00000000 ox00000000)
The system has been shut down."

I have to start in security mode, and do a system restore, then the computer works allright for a while but after 2 or 3 boots, the error returns.

I found this thread with a problem very similar to mine, however I tried following some of the steps (passing the vundo fix, the ewido anti-spyware, etc) in order to solve this up but I had no luck... =(

Can someone help me out?

Below I am pasting the HiJack this log file

I am currently using windows XP pro with SP3

Thanks! =)

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• Edit by bjgarrick: Inline HJT log removed. READ & RUN ME sticky not followed.

 

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Please try to follow the instructions in the below link and attach the requested logs when you finish these instructions. If you have trouble running the scans then let us know which ones and what happened. You may have to do a repair reinstall to get Windows running properly before we can start Malware removal but for now let's try to procede with the READ ME.

• READ & RUN ME FIRST. Malware Removal Guide

• If something does not run, write down the info to explain to us later but keep on going.

• Do not assume that because one step does not work that they all will not.

Notes:

1. If you run into problems trying to run theREAD & RUN ME or any of the scans in normal boot mode. You can run steps in safe boot mode but make sure you tell us what you did later when you post logs. See the below if you do not know how to boot in safe mode:
   
   • Starting your computer in Safe mode
2. If you have problems downloading on the problem PC, download the tools on another PC and burn to a CD. Then copy them to the problem PC. You will have to skip getting updates if (and only if) your internet connection does not work. Yes you could use a flash drive too but flash drives are writeable and infections can spread to them.