errors from Data Protector Express\v3.50

[R Staf]

Having problems the last days, backup to StorageWorks Ultrium 920 tape looks good, without errors. But still systemerrors e.g.

2008-10-29 08:04:34 Sup: Data Protector Express v3.50 (build 37634) sp2

Copyright (c) 2007 Hewlett Packard Development Company, L.P.

OS Type : 2
OS Sub Type : 0
OS Version : 5.2
Node Name : HPLC
Command Line : C:\Programme\HP\Data Protector Express\v3.50-sp2\win\x86\dpwinsdr.exe
2008-10-29 23:07:46 Drm: Failed to enum keys 3
2008-10-29 23:07:47 Drm: Failed to enum keys 3
2008-10-29 23:07:52 Wrg: Unable to open key setupdd (2)
2008-10-29 23:07:52 Wrg: Unable to delete value NetcardDlls (2)
2008-10-29 23:07:52 Wrg: Unable to delete value LowerFilters (2)
2008-10-29 23:07:52 Wrg: Unable to delete value LowerFilters (2)
2008-10-29 23:07:52 Wrg: Unable to delete value UpperFilters (2)
2008-10-29 23:07:52 Wrg: Unable to delete value LowerFilters (2)
2008-10-29 23:07:52 Wrg: Unable to delete value UpperFilters (2)
2008-10-29 23:07:52 Wrg: Unable to delete value LowerFilters (2)
2008-10-29 23:07:52 Wrg: Unable to delete value UpperFilters (2)
2008-10-30 23:07:36 Drm: Failed to enum keys 3
2008-10-30 23:07:36 Drm: Failed to enum keys 3
2008-10-30 23:07:41 Wrg: Unable to open key setupdd (2)
2008-10-30 23:07:41 Wrg: Unable to delete value NetcardDlls (2)
2008-10-30 23:07:41 Wrg: Unable to delete value LowerFilters (2)
2008-10-30 23:07:41 Wrg: Unable to delete value LowerFilters (2)
2008-10-30 23:07:41 Wrg: Unable to delete value UpperFilters (2)
2008-10-30 23:07:41 Wrg: Unable to delete value LowerFilters (2)
2008-10-30 23:07:41 Wrg: Unable to delete value UpperFilters (2)
2008-10-30 23:07:41 Wrg: Unable to delete value LowerFilters (2)
2008-10-30 23:07:41 Wrg: Unable to delete value UpperFilters (2)
2008-10-31 02:27:25 Tsk: Unable to output log Fehler 51: Socket-Fehler
2008-10-31 23:07:31 Drm: Failed to enum keys 3
2008-10-31 23:07:32 Drm: Failed to enum keys 3
2008-10-31 23:07:37 Wrg: Unable to open key setupdd (2)
2008-10-31 23:07:37 Wrg: Unable to delete value NetcardDlls (2)
2008-10-31 23:07:37 Wrg: Unable to delete value LowerFilters (2)
2008-10-31 23:07:37 Wrg: Unable to delete value LowerFilters (2)
2008-10-31 23:07:37 Wrg: Unable to delete value UpperFilters (2)
2008-10-31 23:07:37 Wrg: Unable to delete value LowerFilters (2)
2008-10-31 23:07:37 Wrg: Unable to delete value UpperFilters (2)
2008-10-31 23:07:37 Wrg: Unable to delete value LowerFilters (2)
2008-10-31 23:07:37 Wrg: Unable to delete value UpperFilters (2)
2008-11-01 02:41:01 Tsk: Unable to output log Fehler 51: Socket-Fehler

any idea to solve the problem ?