How do i remove security toolbar 7.1?

Security Toolbar 7.1 started running instead of the Yahoo Toolbar. How can I remove the Security Toolbar?

• Answer:

  Security Toolbar 7.1 is dangerous toolbar and comes from very dangerous trojan zlob. It hijack your homepage and displays fake warning message to download the another fake spyware applications... If your computer is infected with Security Toolbar 7.1 hijacker then its very dangerous for your computer. Security Toolbar 7.1 Symptoms:- User's homepage is changed to asecurityupdate.com or to other unfamiliar websites. Warning messages such as "Virus Alert", "Your Computer is Infected", "Security Alert" Trojan-Spy.win32@mx or Spyware.Cyberlog-X infections are displayed. I got all the information about this spyware from the below link and there you can also remove it by using the manual and automatic process.. http://www.pcontech.com/Security-Toolbar-remove.htm