you got Skype on ?
what did u use to download the client ?
see if this helps :/http://epicpw.com/menu/patches/msg64/#msg64
Strange, I had the same problem, I just changed the compatibility mode to service pack 3 (I think, was a while ago) and changed the resolution. o: works fine now.
where i extracted the file? the client i download using torrent?
did u extract the folder from the zip/rar ?
the launcher file? o;
no the full client?
i hope this is the cos of my problem hehehe