(I've changed location, privileges, compatibility, firewall settings, AV settings, re-downloaded, and everything else I could think of.)
"This trainer has failed an authenticity check and is no longer authorized for use. Please visit CHEATHAPPENS.com to download a legitimate copy of this file."
Could be just one of those little niggely unfathomable software conflicts that is rare and hard to duplicate.
Unless you don't have the Ranger DLC pack, you could always just update the game to patch 1 and use that trainer?
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