firefox problem

[yhack]

Hi, earlier when I went on firefox it was working perfectly. Now I can't use it at all. I don't know what's caused it, does anyone know what it could be?

Here's a screenshot:

I can't use opera either, just ie.
And ie sucks!!

Please help
Thanks

edit: it wont work on any site.

 

[yhack]

a reformat fixed it