Hi all! Need some help
My browser Firefox 12 is on a Large Fonts
I'll try all method so I need you guys brain to help me how to fix this ASAP this is to terrible I can't take it... it also spread my windows interface when I installing some programme and the word also changes to a large font.

System requirement my PC
Os = Windows 7
64-Bit
Security = Avast Free Edition

Sincerely : Fido~

Hi there

Go to "Start / Start Search"
Enter the following command:
Firefox.exe -safe-mode

When Firefox opens it should open a dialogue box,
Select "Reset preferences to default Firefox"

That should do it.
Cheers
Grant