Firefox stops displaying wepages like Youtube.com properly after browsing for a while.
After browsing for a while, Firefox 17.0.1 stops displaying websites properly. An example is on youtube.com there is a whole bunch of text aligned to the right in blue and I can't even watch any videos. When I go into private browsing mode it goes back to normal, but as soon as I switch back to normal browsing it happens again. I've tried deleting all my browsing history and cookies but nothing works.
All Replies (2)
First, update to Firefox 17.0.1, then reset Firefox. Refresh Firefox - reset add-ons and settings
Clear the cache and the cookies from sites that cause problems.
"Clear the Cache":
- Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"
"Remove Cookies" from sites causing problems:
- Tools > Options > Privacy > Cookies: "Show Cookies"
If you use extensions (Tools > Add-ons > Extensions) like Adblock Plus or NoScript or Flash Block that can block content then make sure that such extensions aren't blocking content.
A possible cause is security software (firewall,anti-virus) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
See: