Skype fails to sign me in at windows XP startup and fails to shutdown at windows shutdown. I have re installed the latest version but this is still happening. At shutdown, I have to click end now to get skype to stop.
It doesn't sound like yours is doing the same thing that's discussed in this thread.
I suggest you start a new thread/subject. Try to be very specific about what the symptoms you're experiecing are. Include the version of Skype you're running, and the version of Windows (XP, Vista, Win 7).