I have run the 10.0.3 update. But I have the same issue like in
thread "10.0.3 update showing Pending" from 21.05.2008:

The server looked like it had updated, despite the 'Pending' status.
The Agents show and version.txt shows 10.0.3.
SystemUpdate_10_0_3.log shows no errors...

I rebooted the server and rerun the update (TID 7000559).
But update process has been in 'Pending' state for over 4 days...
(Because of StagingGroups only the ZCM-Server is updated.)

Is it safe to delete 10.0.3 from System Update tab?
Should I try to Update to 10.1 in this situation?

Thanks in advance!