Firefox's connection issues may be the result of overall network or Internet problems. Check your modem and/or router to make sure that it is connected to the network and the Internet.

Raising the security level of the Internet Zone (Tools -> Internet Options -> Security tab) in Internet Explorer from the default level (“Medium-high”) to “High” causes a problem for Firefox.

Java problems, solutions As alluded to in the above section, a number of users are having problems with Java content after in Firefox 1.5.

I have Firefox 1.0PR installed on both my XP Pro and Mandrake 10 partitions. However the Linux install seems to suffer from terrible stability for some reason. It seems to terminate itself ...

Test if your YouTube playback problems are caused by themes, extensions or your hardware acceleration by restarting Firefox in Safe Mode. Restart Firefox while holding down the "Shift" key and ...