After my computer crashed, my Skype doesn't stay on any more. I start it, the window opens up, but after 5 seconds Skype exits again by itself. I already reinstalled it four times.
It crashed for everyone. Apparently on Linux you keep getting
Aborted on the console upon logging in. What fixes the problem is removing shared.xml from settings directory. Thus on Ubuntu it's:
BTW. bit off topic here, but just for the sake of it
On Windows remove:
c:\Documents and Settings\*user*\Application Data\Skype\shared.xml
rm ~/Library/Application\ Support/Skype/shared.xml
Update: There is official acknowledgment of the issue from Skype.