To fix Zero Hour errors, you can try several solutions, including deleting the dbghelp.dll file from the game folder, running the game in compatibility mode, disabling overlays, and verifying the integrity of game files. For more persistent issues, consider using a mod like GenLauncher or Genpatcher, or ensuring your drivers and operating system are up to date.

now more simple methode replace the option files to fix all crashes even resolution error. 

C&C Genrals Zerohour option file
C&C Genrals Zerohour option file 

 
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