viruses are attackin my computer

I have avast pro, ive ran the system scan and file scan, Avast says i have no threats, but on other hand there is a program in my computer called vista total security is saying totally different- ( this program is factory) WHAT DO I DO?? sOME ONE PLEASE HELP!!!

Follow this.

http://www.bleepingcomputer.com/virus-removal/remove-win-7-internet-security-2011

iTS ASKING FOR USER LOGIN INFO ???

The web site? No. Just follow those instructions they list.

I FOLLOWED THE LINK AND THATS WHAT POPPED UP IN FRONT OF A OFFICE WORD DOCUMENT

DO YOU KNOW HOW I CAN MANUALY REMOVE THESE PROGRAMS- I KNOW WHAT THE NAMES ARE