When I try to access Facebook I receive this login page:

Facebook problem

This happens only in Firefox and Chrome.

Things I have done:

  1. Disabled my firewall.
  2. Cleared my cookies and temp files.
  3. Run a virus scan.
  4. Reinstalled Chrome and Firefox.
  5. Changed Encoding
  • 1
    Is it only Facebook this happens with? Or are there others sites that this happens? Disable any add-ins? – CharlieRB Jun 10 '16 at 13:55
  • 1
    Did you try with IE? – Dave Jun 10 '16 at 14:14
  • 1
    If you click the green lock symbol what trust information do you see? (Ruling out some strange mitm attack) – RJFalconer Jun 10 '16 at 14:32
  • @CharlieRB Only in Facebook; Dave In IE works fine. RJFalconer "HTTPS is secure, Valid Certificate" – Joao Vitorino Jun 11 '16 at 2:56
  • 1
    Possible duplicate of Why firefox showing some strings instead of Facebook in windows 8 – user3169 Jun 11 '16 at 3:42

The was Avast.

In Avast configuration go to "Active Protection" >> Web Shield >> "Customize"

So I added facebook.com to exclusion list.

Avast Exclusion list

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