Does Firefox display differently on different PC's? Last week I up dated Firefox to Fx13on my Packard Bell Windows 7 Intel Celeron PC after 3.6 became an unusable crashing mess and when I updated it looked like this: * http://i947.photobucket.com/albums/ad315/hoggys2much/junk%20folder/Capturebbb.png The only thing I changed was moving the address bar to above the tabs. And as you can see it looks just like 3.6. But when I did the exact same update to the my dads Acer Windows 7 Intel Duo PC it looks like this: * http://i947.photobucket.com/albums/ad315/hoggys2much/junk%20folder/CaptureA-1.png So why the difference?