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Sites no longer responding in Firefox

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I am having issues with a couple of sites I go to often. The first is https://cnrtl.fr/ and the second is https://gallica.bnf.fr Both of these sites are working in my other web browsers but Firefox continues to say they are not secure. The first is a dictionary and the second is a site with manuscripts and documents from the 19th century and earlier which are in PDF format mostly.

These sites just just stopped working after Firefox 85 update.

I am having issues with a couple of sites I go to often. The first is https://cnrtl.fr/ and the second is https://gallica.bnf.fr Both of these sites are working in my other web browsers but Firefox continues to say they are not secure. The first is a dictionary and the second is a site with manuscripts and documents from the 19th century and earlier which are in PDF format mostly. These sites just just stopped working after Firefox 85 update.
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All Replies (7)

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Is it too late to review the details on the error page? In particular, when you click the Advanced button, there's an error code which may be addressed in this article: How to troubleshoot security error codes on secure websites.

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No, it does not even give that kind of error. It literally just says:

Hmm. We’re having trouble finding that site.

We can’t connect to the server at cnrtl.fr.

If that address is correct, here are three other things you can try:

   Try again later.
   Check your network connection.
   If you are connected but behind a firewall, check that Firefox has permission to access the Web.
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Last reply by charles.deschenes 2 hours ago

Sorry, current forum security sometimes delays the posting of messages. And in turn, we are not notified of those posts.

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Chosen Solution

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I ended up uninstalling Firefox, deleting the registry entries, rebooting, then reinstalling. It may be part of the registry corrupted during the upgrade, but I will never know as everything is now working as expected.

Thanks for all your suggestions.

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That was very good work. Well Done. Please flag your last post as Solved Problem as this can help others with similar problems.

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Problem Solved.