To completely get rid of that virus follow the Automated Removal Instructions at the link below. 1. & 2. are very important.
Automated Removal Instructions for XP Security Tool 2010, XP Defender Pro, Vista Security Tool 2010, and Vista Defender Pro using Malwarebytes' Anti-Malware:
1.For the first part of this removal guide you will need to use a different computer than the infected one. This is also a tricky rogue to remove, so please follow the instructions carefully. If you are concerned about whether or not you can do this, do not be, as I have made these instructions easy to follow for people of any computer expertise.
2.From another computer, please download Malwarebytes' Anti-Malware, or MBAM, and the reg files from the following locations and save it to an external media such as an external hard drive or a USB flash drive. We will then use the external drive or flash drive to to transfer these files to your infected computer. If you do not own a USB flash drive, you can get one from any local or online computer store for a small price. Some examples of good and cheap ones can be found at Newegg and Best Buy. The files that you should download onto this device are:
Malwarebytes' Anti-Malware Download Link - Everyone should download this
FixExe.reg - Everyone should download this