Error during FF update to version 65.0

[Roderunner]

I use portable version.
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Your connection is not secure

The owner of http://www.google.co.uk has configured their web site improperly. To protect your information from being stolen, Firefox has not connected to this web site.

This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox only connect to it securely. As a result, it is not possible to add an exception for this certificate.

Learn more…

Report errors like this to help Mozilla identify and block malicious sites
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When I clicked 'Learn More' I got:-
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https://www.google.co.uk/

Peer's Certificate issuer is not recognised.

HTTP Strict Transport Security: true
HTTP Public Key Pinning: true

Certificate chain:

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

[Franpa]

You need to make it https, not http however Firefox should be auto-correcting this for you... (it does on my end)

[Roderunner]

Hi Franpa,
I have just rechecked the URL used, it was https://www.google.co.uk/?gws_rd=ssl

[Brummelchen]

http://www.google.co.uk/ leads to https://www.google.co.uk/?gws_rd=ssl which is fine.
which antivirus is working on your computer? untick ssl check/protection.

[SeahawksXLVIII]

I am having the same problem on my Firefox (see my topic). Making it HTTPS has no effect.

[Roderunner]

All systems have returned to normal without me doing anything.

[Brummelchen]

because your antivirus got an update!?