"Uninstalling and reinstalling Firefox would not fix this problem because your settings are not removed on uninstall." I can no longer start FF via One option that I read to correct this problem is to open a new profile and transfer my setting and favorites to it. Alternately, I could upgrade to the latest version of FF. But is that the same as uninstalling and reinstalling? Would I then lose my settings and favorites? Which of these two options should I take? == This happened == Every time Firefox opened == User Agent == Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; GTB6.5; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)