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Facebook, Twitter, Youtube, etc show up weird and are unable to use, I keep having to clear recent history but it only works for a little while.

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  • Ultima risposta di cor-el

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This happens about every hour. I have to reset Firefox and I lose all my passwords and bookmarks.

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Can you attach a screenshot to see if that helps to identify the problem?

Use a compressed image type like PNG or JPG to save the screenshot.

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"

You can check the network.http.* prefs on the about:config page.

Reset network.http prefs to the default value via the right-click context menu -> Reset if they are user set (bold).


If you reset Firefox then a new profile is created and some of your data (bookmarks, passwords, cookies, form data) is automatically imported and your current profile will be moved to the desktop (Old Firefox Data).

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I attached a picture and tried what you said! It again worked temporarily but I had to reset it again after a while.

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Seems that you are missing CSS files.

Does it help if you reload and bypass the cache?

  • Press and hold Shift and left-click the Reload button.
  • Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
  • Press "Command + Shift + R" (MAC)

Which security software (firewall, anti-virus) do you have?

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: