i cant get cheat to work everytime in write cheat on end of line it give me a check path error message
Create a shortcut to the game executable and edit the properties for that shortcut. Don't edit the properties for the launcher. You're looking for GC2TwilightOfTheArnor, not TALaunch, in the same folder, wherever you have GC2 installed.
Up one folder from the \Twilight folder is the GC2 root directory, where you'll find the base game executable and launcher (with the data in the appropriate folders) as well as a DarkAvatar folder within which resides the Dark Avatar executable, launcher, and data.