Your anti virus is blocking the unlocker from doing anything.
Even after deactivating the Tamper Protection, I still get the same thing, minus the Symantec alert.
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This is a duh question but have you tried restarting your pc then messing with the package files normally? That always helps me when windows gets stuck thinking something is using a file.
Yes, I've restarted more than once. No effect.
In any case, I may need to uninstall and reinstall my game at this time, as something borked my game and caused the visuals to get all screwy.