[Solved] Windows XP Restarts On McAfee Definitions Update With Fix DAT 5958

by Rohit Khurana on April 23, 2010


Recent McAfee updates has caused problems with many Windows XP users who were trying to update McAfee instability issue resulted from erroneous blocking of the critical svchost.exe file on computers running Windows XP SP3.

The problematic update, identified as the 5958 DAT, detected the svchost.exe file on Win XP SP3 systems as being infected with new variants in the Wecorl family of malware.

WARNING: If you receive a detection for w32/wecorl.a, DO NOT restart your computer until you have performed the remediation steps in this article.

Your computer may kept on rebooting after updating your McAfee Antivirus DAT, it could be due to DAT update 5958 which deletes the svchost.exe file, which then triggers a false-positive in McAfee itself and which initiates these restarts and network connectivity loss.


Fix This Problem Using DAT 5959

  1. Download the 5959 DAT file (5959xdat.exe) on a working computer and copy it to a removable media device such as a CD or USB stick.
  2. Start the affected computer in Safe Mode with networking enabled.
  3. Copy 5959xdat.exe to the computer, then double-click it to update the VSE DAT files.
  4. Launch Windows Explorer and navigate to C:\WINDOWS\system32.
  5. If svchost.exe exists in this folder and is not a 0 byte file, continue to Step 8.
  6. If svchost.exe has been deleted (or is a 0 byte file),  launch the VirusScan Console (Click Start, Programs, McAfee, VirusScan Console).
    If you are unable to launch the VirusScan Console, click Start, Run, type the command below (including quotes) and click OK:
    "C:\program files\mcafee\virusscan enterprise\mcconsol.exe" /standalone
  7. Double-click Quarantine Manager Policy, then click the Manager tab.
  8. Right-click the detection and select Restore
  9. Restart the computer normally.

If the above solution does not work, then you can refer this page for other alternative fixes for the same problem.

[ Via Softpedia ]

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{ 1 comment… read it below or add one }

ragupathy gopalakrishnan September 17, 2010 at 10:38 pm

my computer is at my home. I have the suspecion that some malware is secretly peeped in and uploading informations from my computer to unknown destination. how to check it and prevent it?

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