Hi Joaq,
I just did what exactly lord said to do,i think you said you tried it but to no avail...
Try going to Tools>Options>Advanced>firewall then change it from what should be 6346 to 443 or 1203 or 80.Remember to click apply then ok.
I disconnected first then made those changes then reconnected..worked for me..try it again and let me know
Regards John