Chance it’s a false positive, but if you use it, you may want click your name and “feedback” and ask about this “bug.”
PUPS-C
Facebook.Messenger: [SBI $59117437] User settings (Registry key, nothing done) HKEY_USERS\S-1-5-21-600207326-2876860349-2893928179-1000\Software\Facebook
Facebook.Messenger: [SBI $917BFFAB] Program directory (Directory, nothing done) C:\Users\hp\AppData\Local\Facebook\
Facebook.Messenger: [SBI $DA10FC06] Program directory (Directory, nothing done) C:\Users\hp\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Facebook\
User abort!: Scan was not completed successfully. (Status)
—- Spybot – Search & Destroy version: 1.6.2 (build: 20090126) —-