HitmanPro is a second opinion scanner, designed to rescue your computer from nasty viruses, spyware, trojans, rootkits, and other threats, that have infected your computer despite all the security measures you have taken (such as anti virus software, firewalls, etc.).Just relying on a single vendor is not sufficient to completely protect you. You do need a second source to make sure you are secure. Our statistics show that 32% of the computers is infected, despite the presence of an anti virus program. http://www.surfright.com/en/home/press/32-percent-infected-despite-antivirus. HitmanPro is designed to scan the computer quickly (less than 5 minutes), and works alongside existing security programs without slowing down your computer. HitmanPro can be run straight from a USB flash drive, a CD/DVD, local or network attached hard drive. Download a fully-functional trial version from http://www.hitmanpro.com. No need to install anything, just double click on the downloaded file. The scan will only take a few minutes.