...If it comes to that, you'll find the uninstall tool relevant to your Bitdefender suite here:
https://www.bitdefender.com/links/uninstall_consumer_paid.html
Let us know how it goes.
Regards
@Dan Johnston if the product doesn’t work correctly, is showing errors, or does not respond, simply uninstall & reinstall Bitdefender to repair it, as suggested by Gjoksi above. ...
...I recently bought a computer with McAfee and uninstalled it with the uninstaller, and I seem to recall there being leftover files in the usual suspect places, Program Data/Program Files/App.Data etc....