New to Firefox 3.6, when you are on a page, and you want to open a link in a new tab – rather than opening the link in the far right of the tab bar, Firefox will now open the link right next to the tab you are in.  Now, while this might be convenient for some, it is a feature I don’t really need.  So here is how you can disable the new “Insert Related Tab After Current” tweak [...]

When browsing through your Firefox profile folder, you might see a lot of odd files. Some might make sense, such as your searchplugins folder, however others might seem a little odd.
Here are some of the important files you might seen in your profile folder and what they are used for.

search.sqlite and the searchplugins folder – The first file, search.sqlite stores the order that your search engines (for the search box) are sorted. Inside of the searchplugins folder you [...]

Has Firefox 3.0.1 given you trouble?  Well it sound like you might want to contact the extension’s author to make sure thy are using the right compatibility range. Once again Basil does a great job at explaining this in a way that should make sense to us all.
When add-on authors publish their add-on they declare the compatibility range for an add-on. It typically looks like “2.0 to 3.0.*” – meaning that at minimum, this add-on requires Firefox 2.0 and [...]