Firefox problems

Hi,

For some reason Firefox, which I have been using for a very long time in my development work without any problems, to day told me that I should reset Firefox.

Now Firefox is not working at all anymore. Just as an example, the page looks like this when I try to access google.com. How do I fix that and get Firefox "back on track"?

Sk-rmbillede-2018-02-27-08.12.45.png
Peter KromanSenior Proposal SpecialistAsked:
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Peter KromanConnect With a Mentor Senior Proposal SpecialistAuthor Commented:
Problem solved. It was a setting in Avast that was the "bad guy" here.

Thanks for your interest anyway.
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Ashok DewanFreelancerCommented:
This firefox browser could not able to verify certificates given by google. better to reset you firefox after backup.
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Ashok DewanFreelancerCommented:
This message always received from google server whenever browser does not connect to through secure channel which is HTTPS.
 It allows web servers to declare that web browsers i.e. firefox and others should only interact with it using secure HTTPS connections, and never via the insecure HTTP protocol.
just try google with other browser.
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Hello ThereSystem AdministratorCommented:
Start with reinstalling... you will get clean Firefox.
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Peter KromanSenior Proposal SpecialistAuthor Commented:
I have reinstalled and refreshed several times. Same result.
This is not a problem with Google's sites. It does the same with Mozilla's own pages and all other pages:

Sk-rmbillede-2018-02-27-10.31.24.png
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Peter KromanSenior Proposal SpecialistAuthor Commented:
Solved with change of setting in Avast
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