my computer is acting weird it keep popping up my windows security tab and is asking to register my anti virus?

You have a rogue, which is a fake antivirus program designed to scare you into buying their crappy product. My advice would be install Microsoft Security Essentials (free) or buy an internet security suite (Norton, Kaspersky or McAfee).

I never recommend using AVG, Avast or Avira (all are free). You'll notice that everybody wants you to try them and, they are easily hacked (since they're so popular). As I've said before, AVG has no rootkit detection. Avast has no proactive protection, such as HIPS or heuristics. Avira does a poor job at removing adware & spyware (like rogues). Avira also displays lots of ads.

Ditto..... SEE

Title: The Spyware Warrior List of Rogue/Suspect Anti-Spyware Products & Web Sites

Description: Bad, False, Fake products

URL: http://www.spywarewarrior.com/rogue_anti-spyware.h...

Also TRY

a-squared trojan remover (Free Working Version for life and Proactive Premium Version)

http://www.emsisoft.com/en/software/free/

SUPERAntiSpyware [working-freeware, and premium version]

http://www.superantispyware.com/

Microsoft AntiSpyware is now Windows Defender

[working-freeware from Microsoft]

http://www.microsoft.com/athome/security/spyware/s...

properly,you have an outbreak now! those pop-united statesdefender professional and spysweeper are viruses! Get a stable,proved av like avast. and,those scanners will help too: malwarebytes superantispyware.

Use this site as a guide:

http://www.computersafetytip.com/how-to-find-remov...