Type C:\Program Files\EA GAMES into the text field, and press OK. To do a manual uninstall for Command and Conquer Generals and expansion, follow these steps (instructions referencing an expansion you do not own should be ignored): When such an occurrence happens, it’s best to manually remove all of the components to make sure that next installation does not run into the same issues. Uninstall the game, restart your PC and follow these instructions to completly remove the game. If you have a legitimate copy of the game, carry out the following.
It's already been pointed out this is down to the copy protection engine seeing your installation as illegal.
Whenever I either play a Skirimish or a Challenge on ZH it'll play for about 3-4 mins and then everything explodes.