User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:126.96.36.199) Gecko/20100315 Firefox/3.5.9 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:188.8.131.52) Gecko/20100315 Firefox/3.5.9 Two "Options" in "Tools" Menu Reproducible: Always Steps to Reproduce: 1.Click Tools menu from menu bar 2. 3. Actual Results: Two "Options" link Expected Results: One "Options" link
Does it also occur in Safe Mode ? If it doesn't it might be caused by one of your add-ons. http://support.mozilla.com/en-US/kb/Safe+Mode
No its not appearing in safe mode...
Then it's caused by one of your add-ons.
caused by an addon -> not a Firefox bug -> INVALID