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My computer has been damn slow and it shows CPU's Usage upto 100% in fact its not so.....

Posted on 2004-08-22
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Last Modified: 2010-04-13
I would like all of yourz expertise in solving this severe problem.
My computer, it seems got infected and it is damn slow. It shows the CPU usage upto 100%, hence restricts other applications to get processed or atleast it delays to few minutes. Please let me know if there are any "FREE" anti-virus softwares available which can scan & clean this virus.

Could u please let me know the solution for the below error which is forcing to shut down the PC.
 "lsass.exe exits with error code 120"
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Question by:gulfexpert
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LVL 49

Accepted Solution

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sunray_2003 earned 400 total points
ID: 11867691
Not sure if you have used Sasser removal tool as that error has been recently caused by this worm


*******
Removal tool : http://www.microsoft.com/downloads/details.aspx?FamilyID=76c6de7e-1b6b-4fc3-90d4-9fa42d14cc17&displaylang=en

Removal Instructions:
http://securityresponse.symantec.com/avcenter/venc/data/w32.sasser.worm.html#removalinstructions

Manual removal :


  1. Disconnect your computer from the Internet.
  2. Boot in Safe Mode by pressing the F8 key during startup.
  3. Navigate to your Windows directory (c:\WINDOWS or c:\WINNT) on your
hard drive.
  4. Look for a file named AVSERVE.EXE. Delete it.
  5. Click on the Start menu and select Run.
  6. Type "regedit" (without quotes).
  7. Navigate to the following Registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
  8. In the windows to the right, look for a value called avserve. Delete
it.
  9. Exit RegEdit.
  10. Reboot.

Once your system is up, go to http://windowsupdate.microsoft.com and update with the patches.
*********
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LVL 15

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by:Rob Stone
Rob Stone earned 100 total points
ID: 11868273
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