HELP - Cant register nor login =/

man, im having problems here.
I cant register nor login… i dont know why, I receive this message every time I try to register or to login → “The requested connection has been refused by the remote host”

Can anyone help me? Im running windows vista in a notebook and i have windows firewall off already…

THX

PS: I can ping p2pvpn.comodo.com… here`s the results…

Pinging p2pvpn.comodo.com [91.199.212.69] with 32 bytes of data:
Reply from 91.199.212.69: bytes=32 time=213ms TTL=54
Reply from 91.199.212.69: bytes=32 time=325ms TTL=54
Reply from 91.199.212.69: bytes=32 time=212ms TTL=54
Reply from 91.199.212.69: bytes=32 time=211ms TTL=54

Ping statistics for 91.199.212.69:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 211ms, Maximum = 325ms, Average = 240ms

THX again =DD