Usually, you should open the trainer first, then the game.
It is vital to remember that If you attempt to use a trainer in online lobbies or via LAN (using services like Gentool or Radmin), the game will almost certainly "desync" immediately. Furthermore, the Command & Conquer community is still active, and using cheats in multiplayer is a quick way to get banned from community servers. Final Verdict command and conquer generals zero hour trainer 106
A classic name in the modding community with highly compatible Zero Hour trainers. A Word on Multiplayer Etiquette Usually, you should open the trainer first, then the game