Facebook won't open in the latest version of Firefox, get error Cert

As well as a Cert error when I try to load Facebook, Firefox support pages are all text, without any of the usual images.

Hi glenn634, first of all sorry, I gave an answer that was supposed to go in a different thread before!
in case you're an avast user, please try to disable https scanning in avast:

  1. Open the Avast dashboard on an affected system.
  2. Select settings in the left side menu.
  3. Adopt a Protection Active.
  4. Click on customize next to the Web Shield.
  5. Uncheck the option "Enable HTTPS analysis", and then click ok.

http://www.gHacks.NET/2014/10/31/avasts-HTTPS-scanning-interferes-with-Firefox-and-other-programs/

Tags: Firefox

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