Description of problem:

Kpackagekit sometimes hide mouse cursor in all his place. I don`t see where click, just button change theme when invisible cursor get his position.
Kpackagekit do this when I try find some packages and not show  either when finish with finding.for new start kpackagekit show cursor mouse.

Version-Release number of selected component (if applicable):

kpackagekit-0.5.4-2.fc12.i686
qt-4.6.2-8.fc12.i686
kdelibs-4.4.2-2.fc12.i686

How reproducible:
very often

Steps to Reproduce:
1.try find some packages
2.kpackagekit hide mouse either finish finding
  
Actual results:
kpackagekit hide cursor

Expected results:
dont hide cursor

Additional info: