Try changing proxies.
Correct proxy change:
1. Entered login
2. Enter the password
3. Pressed Log In
4. Clicked Agree
5. Selected proxy server
6. If not logged in, go to step 7.
7. Pressed Cancel
8. Enter the password
9. Chose another proxy server, not poking at the one that was chosen in step 5.
10. If not logged in, go to step 7.