The toolbar with your security application was disabled because the vendor/developer has not updated it to show compatibility with Firefox 5. Your virus/malware protection should still be functioning. Most security application toolbars check for reported malicious sites. Firefox has similar built in protection already. *Firefox Phishing and Malware Protection: http://www.mozilla.com/en-US/firefox/phishing-protection/ To get more information about your security application and the compatibility of its toolbar, post on the vendor's/developer's support page: *http://www.webroot.com/En_US/consumer.html