if K button or klauncher is freezing in KDE read this.

[Zbigniew Luszpinski]

Hi,

I have build KDE and to my surprise it keeps freezing for a while on every 
K button click or icons on menubar. The fix is easy:
lrm ConsoleKit PolicyKit
(I removed both but only removal of one of them may be enough).

have a nice day,
Zbigniew Luszpinski