I usually upgrade Firefox within a couple of days when the new version is issued. Nevertheless, I can't seem to get it right. Although when I check "About Firefox" tab in the Help menu it says that my version is 9.0.1 (i.e. the latest version available) - still on the Firefox Update page I always get this annoying msg: "''Hey there! Looks like you’re using an old version of Firefox. Don’t miss out on the latest technology & security features. Get the free upgrade in less than a minute.''" And, I see that your "educated guess" about my browser recognises it as a 3.5.5 version (far being it from the truth!). I don't believe that the fact that I'm still using Windows XP should have anything to do with this problem, but fyi - my OS is Win XP SP3, regularly updated and upgraded. Also, even though I live in Croatia, I prefer my Firefox (and other programs) in English, so I use UK version of Firefox. I do have some problems updating MS .Net Framework - could this be the issue with Firefox too? Anyway, I've already tried uninstalling and reinstalling Firefox, even tried installing Croatian version - nothing helped. As a result of this, I also have a problem with Gmail - I can only use standard, basic HTML view. Also annoying as hell. Btw, as for "Installed plugins" - I'm not sure which of those are right, but I do not have Netscape installed, and never had one on this computer. I even ran the search for term "Netscape" and it came out empty. There, I think I've provided as much information as I could think of - so, please help me to sort this out - if you can. Thanks