I run without any problems at all in Vista64. The only workaround I do is to run the program as an adminstrator so EverQuest can write to the Program Files directory I have it installed in.
Why are you using a batch file to start EverQuest? Just run eqgame.exe.
64-bit O/S's can run programs written for 32-bit, they just can't run programs written for 16-bit, which many programs still use for installers and components.
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