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Why isn't the exception I'm adding when I get This Connection is Untrusted error working?

Haikari
Haikari
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I have recently started getting 'This Connection is Untrusted' errors every time I connect to google. While there is an answer describing the issue I am having the solution DOES NOT WORK. At all. I have added google as an exception numerous times but I still get the same error. Since there does not seem to be anything I can do in the options settings to confirm that I have in fact added it completely I want to know why I still keep getting this message despite having already added the site to my exceptions?

I have recently started getting 'This Connection is Untrusted' errors every time I connect to google. While there is an answer describing the issue I am having the solution DOES NOT WORK. At all. I have added google as an exception numerous times but I still get the same error. Since there does not seem to be anything I can do in the options settings to confirm that I have in fact added it completely I want to know why I still keep getting this message despite having already added the site to my exceptions?

Chosen solution

Since you use Kaspersky, could you test with the filtering of HTTPS connections disabled to see whether Kaspersky is the culprit? This should be in the Kaspersky app itself, not in the Firefox add-ons:

Settings > Additional > Network

Uncheck the box for "Scan encrypted connections"

http://support.kaspersky.com/images/kis2015_11159_0913-242527.png http://support.kaspersky.com/images/kis2015_11144_1813-242648.png

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All Replies (2)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.

  • Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
  • Do NOT click the Reset button on the Safe Mode start window

If you can't inspect the certificate via "I Understand the Risks" then try this:

Open this chrome URI by pasting or typing this URI in the location/address bar to open the "Add Security Exception" window and check the certificate:

  • chrome://pippki/content/exceptionDialog.xul

In the location field type/paste the URL of the website

  • retrieve the certificate via the "Get certificate" button
  • click the "View..." button to inspect the certificate in the Certificate Viewer

Check who is the issuer of the certificate.

You can inspect details like the issuer and the certificate chain in the Details tab of the Certificate Viewer.

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 25 Contributor
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Suluhisho teule

Since you use Kaspersky, could you test with the filtering of HTTPS connections disabled to see whether Kaspersky is the culprit? This should be in the Kaspersky app itself, not in the Firefox add-ons:

Settings > Additional > Network

Uncheck the box for "Scan encrypted connections"

http://support.kaspersky.com/images/kis2015_11159_0913-242527.png http://support.kaspersky.com/images/kis2015_11144_1813-242648.png