Security risk - "Thunderbird detected a potential security threat"
I opened Thunderbird this morning and there were no issues. Closed it and just now reopened and I'm getting this message: Thunderbird detected a potential security threat and did not continue to live.thunderbird.net. If you visit this site, attackers could try to steal information like your passwords, emails, or credit card details.
It downloaded 28 emails but will not let me see/access them.
Can anyone help? Thanks, Linda
Изменено Wayne Mery
Выбранное решение
I have Microsoft Defender, and automatic updates. That error has gone away and now I just have messages with images that don't load and eventually will get random Authentication Errors. I am having other issues with my PC and even though it has been scanned by multiple anti-virus and anti-malware programs (by professionals), I suspect either a buried malware or a corrup OS somehow (Windows 10 Pro). Very frustrating!
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You probably need to update your antivirus product. That is usually the issue when these spurious errors start appearing.
Выбранное решение
I have Microsoft Defender, and automatic updates. That error has gone away and now I just have messages with images that don't load and eventually will get random Authentication Errors. I am having other issues with my PC and even though it has been scanned by multiple anti-virus and anti-malware programs (by professionals), I suspect either a buried malware or a corrup OS somehow (Windows 10 Pro). Very frustrating!
I don't know if we can do much, but perhaps upload the troubleshooting information and see if anyone can offer more insight.
Could you please do the following?
- Open the menu
> Help > Troubleshooting Information, then click Copy text to Clipboard.
- Go to https://pastebin.mozilla.org/, paste the clipboard by right clicking in the large text area, select paste from the menu, change the retention period to expire in 28 days, use the Paste Snippet button to create a page containing your info, then copy the resulting URL (address) of the page created.
- Open a reply to this post, and paste the URL to your troubleshooting information you just copied.
- Please also provide results for the following test on your system. Again it may provide an insight if we have access to if it happens in safe mode for instance. Authentication errors are best supported with Verbatim details of the error. Only that way can anyone do more than guess as to the issues.
- Does Thunderbird work as expected in Thunderbird troubleshooting mode?
- Does Thunderbird work as expected with your OS started in safe mode with Networking. Instructions for each operating system: Windows 10/11, Windows 8, Windows 7, OSX
I ended up taking my PC to a shop and the owner eventually found that a Microsoft Shell program was triggering the manual proxy server settings on startup. He renamed the program and now my PC AND Thunderbird are operating normally. He couldn't find the origin of the setting in the shell program though.
Thank you for your help!
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