Connection to the Server

hi ive had BC2 since it first come out and have updated fine b4 but since the new update i cannnot connect to any servers even my own clan server!!

each time i click join server or whatever the loading weel come up and then a message about a min later saying:

connection to the server has been lost!

all my network and other setting are as they usualy are i can still play css and arma2 online fine !

any help would be greatly appreciated thank you !!