Security Central is a fake Antivirus tool. It is from the same rogue family as Home Personal Antivirus, XP Deluxe Protector, Win PC Antivirus, Win PC Defender, XP Police Antivirus, IE-Security, WinDefender 2009 and Total Secure 2009.
Once registered, Security Central doesn't detect infections anymore (same system, no cleanings). There is no more fake alerts and disturbing warning messages... Easy proof of a scareware application.
If your PC is infected with Security Central, follow the BleepingComputer removal guide.
Thanks to Sparsha and Patrick Jordan