FIREWALL WARNING is one of several falsified security alerts generated by WinPC Antivirus. This fake antivirus reports nonexistent problems to trick people into purchasing the program.

FIREWALL WARNING
Hidden file transfer to remote host was detected

WinPC Anrivirus has detected that somebody is trying to transfer your private data via Internet. We strongly recommend you to block the attack immediately.
Details of the attack
Remote host transfer IP: 97.216.34.74
Remote user computer name: FORENSICS
User E-mail:
IP-adress:
Blocking is recommended [Block attack] [Allow]

WinPC Antivirus Firewall Warning is a clear symptom of Win PC Antivirus residing on a computer. Remove WinPCAntivirus in order to remove pop-ups such as Win PC Antivirus Firewall Warning.

Follow this link to delete WinPC Antivirus.

Source: http://www.spywarevoid.com/winpc-antivirus-firewall-warning.html