Moved this to Anti-Theft for better support.
As far as I know Anti-Theft has been discontinued so no, don't even try to reinstall it. Unless of course you have encrypted your files. See Anti-Theft EOL
But Technical Support may be of greater assistance than I can be on this subject.
They are free to phone or use their online chat. See the link below.
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Thanks for answer!
If they are ending the support for anti-theft anyways I guess I won't be reinstalling it then.
OK, good luck ;-)