This one involves fake pop-up alerts along with false system scans typical of scareware scams that deceive victims with absurd findings.
One of the fake alerts that the Windows Foolproof Protector displays mentions an error because Trojan activity has been spotted that’s causing risk to the security of system data; consequently, the user should enable his security software as well as execute a total scrutiny of his system.
http://www.spamfighter.com/News-17700-Fake-Anti-virus-Windows-Foolproof-Protector-on-the-Prowl.htm