FireFox will not load text on web pages including Facebook and getfirefox.com, pages not formatted correctly.
Since I've updated to Firefox 4 and now 5 web pages will not load correctly. No text appears to load and formatting is all wrong. Here is a link to some screenshots I took of a few pages: http://linux.zerouniversaldrift.info/firefox.html
Multiple pages effected.
I had this problem and I went to options/advanced/network and cleared the cache. This got rid of the problem.