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I can't add a security certificate exception in firefox 40.

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I'm getting prompted to confirm security certificates that cannot be verified. When I click on "I understand the risks" and Add Exception, I can get the certificate and view the certificate, but the window does not respond when I try to click on "Confirm Security Exception". If I clear the "Permanently store this exception" check box, the window closes, but just kicks me back to the Untrusted Connection page. This is happening for sites for which I know I have previously added exceptions.

I have updated FF to 40.0.3 and get the same issue in safe mode.

I'm getting prompted to confirm security certificates that cannot be verified. When I click on "I understand the risks" and Add Exception, I can get the certificate and view the certificate, but the window does not respond when I try to click on "Confirm Security Exception". If I clear the "Permanently store this exception" check box, the window closes, but just kicks me back to the Untrusted Connection page. This is happening for sites for which I know I have previously added exceptions. I have updated FF to 40.0.3 and get the same issue in safe mode.

Additional System Details

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 Safari/537.36

More Information

Application Basics
------------------
Name: Firefox
Version: 40.0.3
Build ID: 20150826023504
Update Channel: release
User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0
Multiprocess Windows: 0/2 (default: false)
Crash Reports for the Last 3 Days
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All Crash Reports
Extensions
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--------
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Experimental Features
---------------------

guigs 1072 solutions 11697 answers

Since you are already adding it as an exception is there a default http vs https setting that has been set in your profile?

Please try Firefox Safe Mode: Troubleshoot Firefox issues using Safe Mode


For References:

Since you are already adding it as an exception is there a default http vs https setting that has been set in your profile? Please try Firefox Safe Mode: [[Troubleshoot Firefox issues using Safe Mode]] For References: * [["This Connection is Untrusted" error message appears - What to do]]