Also checked ProcMon trace, there is no Access Deny regarding to any file/registry key. It misses Activation.INI from some location, but creating empty .ini files does not help. - Maybe if someone can provide a workingthe content of the "\Command and Conquer Generals Zero Hour\Core\Activation.ini" file, worth a shot.
Make sure you're running Zero Hour on version 1.04 and have no mods installed. If that doesn't work, it is likely your game is running a cracked binary. To fix this, download and install GenPatcher. Run GenPatcher as Administrator, and then click "Apply fixes". - I get «Your serial is already in use» error! Check this video.Command and conquer generals zero hour serial key install# Generals and zero hour will not work on vista within the first decade, any reason why? Install C&C Generals ZERO HOUR - Command & Conquer How can you use the boss general in skirmish without downloading a mod for Install Command and Conquer: Generals then install the expansion pack to 1. First you need to download C&C General and C&C General Zero Hour 2. Then download this mod 3. When you extract you will get the folder name Modern Warfare 4. Copy the modern warfare folder to the folder where you general located(The same level as general & general C&C zero hour level) 5. I'm using Origin version so it look like this S24 7ut9N.