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"This connection is untrusted" message on many (most?) sites (including some of Mozilla's) with V16.0.1.

  • 4 ردود
  • 80 have this problem
  • 19 views
  • آخر ردّ كتبه malcinblue

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"This connection is untrusted"

This message box pops up with most sites and links since I updated Firefox. This includes basic links in troubleshooting articles such as the SSL test and other "try this" links on the troubleshooting page. I have NOD antivirus and firewall enabled, and have no issues with other search engines (Explorer and Chrome). I like Mozilla and don't want to abandon it. Please help. Facebook was the first, but there are too many to list.

"This connection is untrusted" This message box pops up with most sites and links since I updated Firefox. This includes basic links in troubleshooting articles such as the SSL test and other "try this" links on the troubleshooting page. I have NOD antivirus and firewall enabled, and have no issues with other search engines (Explorer and Chrome). I like Mozilla and don't want to abandon it. Please help. Facebook was the first, but there are too many to list.

الحل المُختار

Hi Deb98

if you have ESET go to setup > enter advanced setup > extend web and email tree > extend Protocol filtering > SSL > select Do not scan SSL protocol


thank you

Please mark "Solved" the answer that really solve the problem, to help others with a similar problem.

Read this answer in context 👍 20

All Replies (4)

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الحل المُختار

Hi Deb98

if you have ESET go to setup > enter advanced setup > extend web and email tree > extend Protocol filtering > SSL > select Do not scan SSL protocol


thank you

Please mark "Solved" the answer that really solve the problem, to help others with a similar problem.

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From ESET: "ESET is aware of this issue and is working on a product update that will allow Mozilla Firefox to access websites that use SSL certificates with SSL scanning enabled. As a temporary solution, disable SSL protocol scanning to continue using Mozilla Firefox without interruption."

I had never had issues with ESET so I didn't think to check there first. The solution worked! Many thanks for your help.

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you are welcome, i have nod32 antivirus for adout 3 years now and the newest version came up always with selected "Do not scan SSL protocol"  !!!

Modified by ideato

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I reset my date to resolve a printer issue earlier today. the messages started after this, I've now reset the date to the correct one and bingo - all is well again.

maybe a longshot for you but check it anyway.