I have also problem with CC Generals Zero Hour.
I haven`t even seen game, because after executing generals.exe I get serious error in top of starting bluescreen or if I use nocd crack, then error is that or wrong disk.
Game is original, but when it didn`t work, I d/l other version.
That didn`t help, same errors in same places.
I also have CC Generals, working without errors.
I put topic about this in http://forums.cncnz.com/viewtopic.php?p=4357
because I didn`t notice this one.
Still needing help to play game !