ok i know that problem..... if u live in the states u need to install the us patch if u live in euroipe u need to download the uk patch...and there is no need to uninstall the game just update with the other patch and that will help..... if not hmm dunno then.
but i can say i had the same problem and went to "www.battlefield1942.com" and found out that i was not the only one with the problem but it did work and now im online again and playing aloooot....

see ya on the field...maybe

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A shadowy flight into a dangerous world of a man who does not exist