I’ve spent the past few hours scrolling through this topic and like many others I feel that the product I now have is very far from what I purchased. I’m astounded that any software company could release such a defective product and there has obviously been a serious lack of testing carried out beforehand.
Now a couple of specifics of my experience today. First off, I can confirm that the Security History rapidly fills up with “Connect to network xxxxxxxx” messages. I cleared the history but before doing so I found that these messages are added every 5 or 6 seconds, so this isn’t shown in the screen shot below.
However, what set me off on this topic was when I tried to send an email today and got a popup alert about a certificate not being trusted. I’ve used the same computer, email client and Norton 360 for years without any such problem until today.
System details as follows;
Computer: Dell Latitude E5550 laptop
OS: Windows 10 Pro version 22H2 (fully up to date)
eMail client: Thunderbird version 128.4.0esr (32-bit) (fully up to date)
Norton 360: version 24.10.9535 (build 24.10.9535.881) (installed by Live Update)
It should be noted that I have Thunderbird configured to use a POP SMTP server with SSL/TLS security as seen here …
The popup alert was as follows;
Clicking “View” revealed the following details indicating the problem certificate was created by Norton Antivirus;
So I then clicked “Get Certificate” and this downloaded a pem file (mail-btinternet-com-chain.pem) and I examined the contents …
I then selected and viewed the “Norton Web/Mail Shield Root” certificate and it can be seen that this is a self-signed certificate created by Norton …
I next opened Windows Certificate Management Console
and confirmed that the same “Norton Web/Mail Shield Root” certificate was present in the ‘Current User’ and ‘Local Computer’ ‘Trusted Root Certification Authorities’ certificate stores. Presumably added to those trusted root certificate stores by Norton 360.
That would normally mean the ‘mail.btinternet.com’ certificate should be trusted but it clearly isn’t.
My first thought was this must be a Thunderbird issue, but I did a bit of searching using Google and found the exact same issue was reported by someone using Outlook 365 (see [Norton Popup when opening Outlook 365])
Then I found this discussion on the Norton Community, so I suspect this is another bug in v24.xxx
My temporary work around was to click the ‘Confirm Security Exception’ button on the Thunderbird popup alert, adding ‘mail.btinternet.com:465’ to the Thunderbird Certificate Manager exception list as shown here …
