My Wife was using her facebook with out any issues
Then one day they sent her this :
Hi Letha, we're continuously working to keep your account secure. We've noticed that this device may be infected with malicious software. To continue to use Facebook, you can either use other devices or clean this device by downloading the scanner provided by Facebook and Trend Micro.
what is funny I have done complete computer scan and I can sign into my account But she can't