Hi Eren,
finally I found out why I couldnt start skype, I had to first uninstall the old version and then delete the skype entry after clicking on view hidden files, so I did it and skype would start out of the box.

the only thing is, when doing two way video it crashes, not only in linux also in windows xp, with many people is there the same problem,
when doing one way video it is fine, and when talking only by sound also good, but two way video is a pain in the neck.
But this is said to skype and they don`t care.