browser problem

Dear friends,

I ma using linux os.

my browser is mozilla firebird .

since last one week my browser is not working.

if i send mail through outlook some buttons like send , refresh are not working.

and yahoo mail also not logging on.

please help

What changes did you make to your system that may have affected Firefox?

Have you tried removing and reinstalling Firefox?

I found that many issues I was having (mostly related to the VMWare MUI, but anyway) were fixed when I upgraded to Firefox 1.5

Cheers
ZB

how to reinstall firefox.

please tell me.