hey all i'm always encountering problems

but hopefully in the near future i'll be helping other ppl with linux

well here's the thing i was trying to update to kde 3.4.2 through yast so i went to the 'change source of installation' and i changed it to the directory and when i went to 'install and remove software' but it wont open, it loads and then as soon as the window opens it closes back by itself i tried it like 10 times, but other things are opening except for that page

does anyone know what could be he cause of that problem??
suse 9.1
kernel 2.6.5
kde 3.2.1
thanks all
FishBoy