When I click on the button to sign in with my Facebook acc. it takes me to a webpage for facebook and I sign in and it says: Sucess. When I go back to the client I just see a white screen!
Can you login to Skype using your Skype ID (Skype Name)?
What version of Windows are you on (XP, Vista, Windows 7)? Is it 32-bit or 64-bit?
What is the version of Internet Explorer installed on your computer?
In Internet Explorer go to Help -> About Internet Explorer.
P.S. Please, don’t say that you are not using Internet Explorer. This is irrelevant. Skype depends on Internet Explorer.