Try to connect withour firewall.
Or try this:

http://answers.websitex5.com/post/25631

I am not sure if this still works in V11, just try !

Pokuste sespojitsfirewallem.
Nebo zkustetoto:

http://answers.websitex5.com/post/25631

Nejsem sijistý, jestli toještěfungujeV11,ať to zkusí!

Hi Jan, 

please see http://answers.websitex5.com/post/118145

Thank you,

Noemi

***** Google Translation:

Ahoj Jan,

naleznete http://answers.websitex5.com/post/118145

Děkuji,

Noemi