#28 Crashes on FireFox 1.5.0.5

[Anonymous]

After my work buddies installed it, I immediately installed it on my machine. Restarted FireFox, but when I clicked on the new tab button to open a new tab, FireFox crashed.
Weird thing is that my buddies computer OS, most programs are the same as mine, roughly speaking.
Once difference I can see is I run FireFox 1.5.0.5, they
run 1.5.0.9 and 2.0