This happens regularly in the last ~10 days in the current rawhide: 1. The updates 'orange sun' icon appears 2. I click it, view the updates, and install all of them 3. The orange sun disappears 4. In ~15 minutes the icon appears again, the tool tip shows the same number of updates as before 5. I click the icon to view the updates 6. There are no updates. I get 'All software is up to date', 7. gpk-update-viewer ends, but the icon remains there. 8. goto 5.
I've got the same bug but for 2, I made the update with yum.
*** This bug has been marked as a duplicate of bug 492005 ***