If you experience "Technical Difficulties" errors when launching with a trainer, rename dbghelp.dll to dbghelp.dll.bak . Generals (Zero Hour) Cheats and Trainer for EA - Page 4

: Note that recent EA updates have broken many existing trainers. If your trainer fails, you may need to use an updated version specifically designed for the v1.04 patch or the Shockwave 1.201 mod . Manual Alternatives