Hello PLATO,
Please try
this. Perform a startup repair.
What antivirus or security product were you using
before BitDefender? I highly recommend that you perform what is described in
this topic.
Download also
Belarc Advisor. Run it afterwards.
Please save the result page and add it as an attachment.
Finally download
iobit advanced windowscare . Please check the following 2 options registry fix and system optimization press on scan.
Kind regards,
Niels