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System can not restart/shutdown from the start menu with McAfee Internet Security/McAfee VirusScan Plus preinstalled with Microsoft XP - ThinkCentre M90z,ThinkPad T410, T410i, L412, L420, L421, L512, L520

With Microsoft Windows XP system with McAfee Internet Security/McAfee VirusScan Plus preinstalled, go though out of box setup, try to restart or shutdown system from start menu, does not work. User has to cold boot the system, and after that, the problem will not occur again.

Affected configurations

The above symptom is associated with, but not limited to, the following systems:

  • ThinkCentre M90z
  • ThinkPad T410, T410i, L412, L420, L421, L512, L520

Applies to:

  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition

The hang is due to a wait on the loader lock. This problem in Shimeng.dll was fixed in the below KB. Though the date of the binary on the system is latest than the below KB, the version is lower.

KB949900 The RunOnce.exe process may stop responding during the driver installation process on a Windows XP-based computer;EN-US;949900


This is a permanent limitation.


Manually power off the system (Press the power button for several seconds) and restart.

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

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Alias ID : SF11-D0159
Document ID : HT062425
Last Updated :
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