Googling suggests clearing browser cache & cookies & if that doesn't work, re install your browser or try another one.

This is what I use as my second browser -
[IceDragon: A faster, more secure version of Firefox]

Fast, easy to use and light on PC resources
Scan web-pages for malware right from the browser
Lightning fast page loads with integrated DNS service
Privacy and performance enhancements over Firefox core
Full compatibility with Firefox plug-ins

http://www.comodo.com/home/browsers-...on-browser.php

Other free products from Comodo
http://www.comodo.com/home/free/free...on-browser.php