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Windows crashes with BSOD. Bad_Pool_Header error message.

APPLIES TO:
  • Parallels Desktop 9 for Mac Standard Edition
  • Parallels Desktop 8 for Mac Standard Edition
  • Parallels Desktop 7 for Mac Standard Edition
  • Parallels Desktop 6 for Mac Standard Edition

Symptoms

Windows Guest OS crashes. A BSOD error message appears:

    bad_pool_header

Resolution

  1. Boot Windows in the Safe mode. To do that, restart the virtual machine and immediately start pressing F8 repeatedly.

  2. Click on the "Start" button and choose the "Run..." option. Type regedit and press Enter to open the Registry Editor.

  3. Browse to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318} and find the UpperFilters value.

  4. Right-click on the item, choose the "Delete" option and click "Yes" to delete the item.

  5. Locate the LowerFilters value under the same key in the Registry and delete it too.

  6. Close the Registry Editor.

  7. Restart your computer.

Note:

After removing Upperfilters and Lowerfilters and in case of the lost functionality of a particular program, (e.g. CD recording software), you will have to reinstall that program. If the problem recurs, please consult with the software vendor for assistance.




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