Images on webpages do not load/cache properly
Using the new Firefox 5.0, I find that many websites don't load properly in that background images and some regular images will seem to load one time, but upon page reload they are gone, and if you reload again, they're back. It's happened on Google and Facebook and other personal sites. Sometimes the background images will be there and as you hover over things like buttons (w/ background images) the images vanish. Clearing the Cache doesn't seem to help.
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I should also add this seems to affect my Favicons as well, for exmaple I have 2 tabs open, both pointing to support.mozilla.com site. One has a "blank page" icon, and the other has the little blue chat bubble circle icon thing. Sometimes closing FF and reloading fixes them, but I can't figure out why they work SOME times and other times they don't.
Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
- Don't make any changes on the Safe mode start window.
- https://support.mozilla.com/kb/Safe+Mode
Did you ever made changes to network.http prefs or do you have extensions that make such a change?
Ok restarted in Safe mode with no plugins or themes and it's still doing the same thing. Didn't fix the random weirdness of dissappearing background images (they're there, then they're not, then reload and they're back, move mouse around page, they dissapear, reload and back, click on the menu bar and they vanish, etc). Also, my Favicons are still missing randomly. I have some app tabs for Facebook and Google Reader and other things and sometimes the favicons show up othertimes (like now) they don't. Would a screenshot or screen cast of this behavior help?
Make sure that the firewall isn't blocking cookies or the requests send by Firefox to the server.