i had the same problem i tried to conncet and disconnect my net connection and it's working fine just try to open - reopen clinet with connect and disconncet your net.
Thanks for responding.
Connecting/Reconnecting doesn't seem to help me in vista or win7. What windows version are you using? Do you remember exactly how you did it?
i am using win7 and i told you now no need to reinstall or uninstall for you now !
1. conncet your net and open client then wait sometimes if
2.if still ofline reconncet your net.
3.if still offline close the client reopen it and wait
4.if still offline do the 1-3 again and again
sometimes i take an half hour break if its not work..good luck mate...