You can always do a clean install. Just backup your cfg folder and restore it afterwards
Teamviewer is a remote control software that we use for live support.
About your "allow remote access...." you use and trust our JDownloader. If we really would harm you or do some *hacking* we already could have done that via JDownloader.
It was just an offer, but of course you can try to re-install JDownloader.
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JD-Dev & Server-Admin
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