User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0) Gecko/20100101 Firefox/4.0 Build Identifier: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0) Gecko/20100101 Firefox/4.0 Summary covers it. Reproducible: Always Steps to Reproduce: 1.Open Firefox 2.Look at File dropdown List Item 3.See Box Actual Results: I see the box Expected Results: No box next to the F I think this covers it
Can you attach a screenshot?
Do you have installed FoxTab? Does it also occur in Safe Mode with all add-ons disabled?