Error 85 on DPX

[Praveen Ghimire]

Hi,
I have the following error appearing in the logs of the DPX 3.5 SP1 of Small Business Server. The backup is 100% completed

Error 85: Registry Operation Failure
An unexpected error occurred while accessing the registry. Check the dptrace.txt file for more information.

The dptrace.txt has the following entries
07/10/2008 11:02:21 PM Drm: Failed to enum keys 1
07/10/2008 11:02:21 PM Drm: Failed to enum keys 1
07/10/2008 11:02:26 PM Wrg: Unable to open key setupdd (2)
07/10/2008 11:02:26 PM Wrg: Unable to delete value NetcardDlls (2)
07/10/2008 11:02:26 PM Wrg: Unable to delete value LowerFilters (2)
07/10/2008 11:02:26 PM Wrg: Unable to delete value LowerFilters (2)
07/10/2008 11:02:26 PM Wrg: Unable to delete value UpperFilters (2)
07/10/2008 11:02:26 PM Wrg: Unable to delete value LowerFilters (2)
07/10/2008 11:02:26 PM Wrg: Unable to delete value UpperFilters (2)
07/10/2008 11:02:26 PM Wrg: Unable to delete value LowerFilters (2)
07/10/2008 11:02:26 PM Wrg: Unable to delete value UpperFilters (2)
07/10/2008 11:02:26 PM Wrg: Unable to delete value LowerFilters (2)
07/10/2008 11:02:26 PM Wrg: Unable to delete value UpperFilters (2)
07/10/2008 11:02:26 PM Wrg: Unable to open key DRSYSTEM\ControlSet001\Control\Keyboard Layouts\00000c09 (2)

Please let me know what could have caused this error and is there a way to fix it?