hello. the problem is that when you install firefox 3 on the one, it works fine, but the software update doesn't. it looks like it needs firefox-devel, but as far as i know, firefox-devel for firefox 3 does not exist. so, can i get tips or something that can fix this? the error is: notification-daemon-xfce conflicts with notify-daemon Missing Dependency: gecko-libs = 1.8.1.16 is needed by package yelp so i go to the terminal and types yum provides gecko-libs it says firefox.i386 : Mozilla Firefox Web browser. firefox.i386 : Mozilla Firefox Web browser. firefox.i386 : Mozilla Firefox Web browser. then i know i found somewhere on the net that i need firefox-devel ( [url=http://www.linuxquestions.org/questions/fedora-35/where-to-find-dependencies-659996//url]here[/url] and now im stuck.... i am really really new to linux and so on, but i've read alot of stuff about this, and hasn't found a fix for it yet... thanks in advance for all the help.