BF 2 Problem

Hey i'm having a problem with Battlefield 2 i have been playing it for quite some time and i stopped for a few months now when i tried to join a server yesterday i said my cd-key is invalid it said that for all servers.

now when i tried to reinstall it it wont start up any more i get the start up screen get a black screen and goes back to my desktop

all drivers are up to date you guys got any ideas

ty :) 

Download the patch. It shouldn't take 24 hours. Maybe one hour. (except if you have 56kb/s modem)

 You can also contact EA support if you really feel like you dont want to download it.