Advanced XP Defender (also known as AdvancedXPDefender, AXPDefender) is a rogue anti-spyware program. Advanced XP Defender gets into to users computer without their notice. Advanced XP Defender program shows fake scan results about security threats, spyware, malware infections or even privacy violations. This program is using a fake alert popups system to scare and trick user into buying the "full" version of Advanced XP Defender. But this program is useless... If users computer system is already infected with rogue anti-spyware program like Advanced XP Defender, most probably it was installed by Trojan horse (Such as Zlob, Vundo). Advanced XP Defender can steal user’s personal data or seriously damage computer. We highly recommended user to remove Advanced XP Defender from PC as soon possible to save PC and personal data.