Can't connect to channels .

Hello . CF was ok until yesterday when i tried to start the game and i couldn't connect to any channel ... my friend list was empty , clan members also. I couldn't see anybody online , but they could saw me online. This is not a problem. The problem is that i can't connect to channel.It says "connecting to channel , please wait" and never enter in channel. . I tried to reconnect and reconnect but... in vain. Please help me .. and sorry for my English