i have an official copy of command and conqer the first decade and when i go to play command and conqer generals zero hour online, it says serial number is invalid. i recently had to uninstall tfd, but i couldnt find my codes, so i called EA and got some new codes and now it gives me that message (serial number is invalid). how do i tell it that it is a good code or do i have to uninstall every trace of the game and reinstall it? if i do have to get rid of EVERYTHING that involves the game, how do i do that?
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