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You receive a "Stop error code 0x00000051 (REGISTRY_ERROR)" error message

This article was previously published under Q321771
This article has been archived. It is offered "as is" and will no longer be updated.
You may receive the following "Stop 0x00000051 (REGISTRY_ERROR)" error message during a registry operation:
STOP 0x00000051 (0x0000000c, 0xc0000005, 0xb0fccab4, 0xb0fcc70c)
The first two parameters are always the same. The last two parameters vary.
This problem is caused by a race condition on the input user-mode buffer for a registry function call.

Service Pack Information

To resolve this problem, obtain the latest service pack for Microsoft Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack

Hotfix Information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language. The English version of this fix should have the following file attributes or later:
   Date         Time   Version        Size       File name   ---------------------------------------------------------   06-May-2002  13:12  5.0.2195.5265     42,256  Basesrv.dll   06-May-2002  13:12  5.0.2195.4928    708,880  Kernel32.dll   06-May-2002  13:01  5.0.2195.5740  1,687,424  Ntkrnlmp.exe   06-May-2002  13:03  5.0.2195.5740  1,687,296  Ntkrnlpa.exe   06-May-2002  13:03  5.0.2195.5740  1,707,776  Ntkrpamp.exe   06-May-2002  13:01  5.0.2195.5740  1,665,152  Ntoskrnl.exe				

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 4.

Article ID: 321771 - Last Review: 12/07/2015 10:48:38 - Revision: 5.1

Microsoft Windows 2000 Server, Microsoft Windows 2000 Advanced Server, Microsoft Windows 2000 Professional Edition

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