Found this on another computer, had to boot in Safe Mode,
the go to c:\Program Files (x86)\Winfielduse (I think that's the correct path) and find the uninstall
That removed it, then reboot and rescan with normally suggested malware scanner/cleaners.
This is something you installed, or a stealth addon to something else you installed.
Malwarebytes, HitmanPro, or other malware/adware removal application to try to get rid of it.
Found this on another computer, had to boot in Safe Mode,
the go to c:\Program Files (x86)\Winfielduse (I think that's the correct path) and find the uninstall
That removed it, then reboot and rescan with normally suggested malware scanner/cleaners.