Microsoft KB Archive/935186

= You receive an error message if you use Defrag Manager 4.0 to defrag paging files or registry hives =

Article ID: 935186

Article Last Modified on 7/13/2007

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APPLIES TO


 * Winternals Defrag Manager 4.0

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Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows registry



SYMPTOMS
You use Winternals Defrag Manager 4.0 to defrag paging files or registry hives. The computer restarts after the defrag is finished. After the computer restarts, you receive one of the following error messages.

For paging files
Pagefile.sys is already in one fragment.

For registry hives
Unable to open the system drive for registry defrag, path not found.



RESOLUTION
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

To resolve this problem, modify the Session Manager registry entry. To do this, follow these steps:  Click Start, click Run, type regedit, and then click OK . Locate and then click the following key in the registry:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\BootExecute

 On the Edit menu, click Modify. In Value data box, delete all the lines except the following line:

autocheck autochk * pgdfgsvc C 1 -o



Additional query words: Pagefile.sys, defrag, registry, fragment, unable to open, path not found

Keywords: kbtshoot kbexpertiseinter KB935186

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