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Published by "Paragon" are you sure you read that right. :)

Anyway uninstall and try again, if that does not work then check back here for more advice.
 
oops

Sorry, was paradox, not paragon. (posted from work) Automatic uninstall did not help, but clearing the registry keys and then reinstalling did for some reason. Anyway, patch now installed and playing once again, thanks for the help