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Rob MarshallRob Marshall 

Thunderbird

I can't access my Sky/Yahoo email through Thunderbird, until I turn AVG protenction off. A verify certificate pops up on Thunderbird if it's turned on, but it won't let me verify it. How can I prevent this?
KarthikeyanKarthikeyan (Foundever) 
Hello Rob,

I will assist you further.

Please follow the below steps and check if that fix the certificate error in Thunderbird.

* Open AVG, Menu, Settings, Components, Email Shield - Customize, SSL scanning, then export Certificate

* From Thunderbird : Tools, Options, Advanced - Manage Certificates, Authorities - Import

* Select the exported certificate from AVG

* If it is already installed AVG certificate, delete it first and then import again.

If you face any difficulties, please let us know and we will assist you further.
Rob MarshallRob Marshall
Followed your steps exactly, but it hasn't worked.
Alok KumarAlok Kumar (Avast)
Hello Rob,
I really appreciate your effort in trying to resolve this issue.
May I know the AVG program (AVG Internet Security/AVG Antivirus free) you're using for your computer protection? I also request you to disable AVG components one by one (open AVG protection > Menu > settings > components) and check which component is blocking Thunderbird emails.
Regards,
Alok.
Rob MarshallRob Marshall
Thank you for your assistance. I am using AVG Antivirus Free. I disabled Email Shield, and I can now received emails without the certificate warning.
Alok KumarAlok Kumar (Avast)
Thank you for the information Rob,
I have sent you an email, please follow my email instruction to provide us with the log files. This information will help us to analyze the situation and provide you with the resolution.
Regards,
Alok.
Rob MarshallRob Marshall
Done. Thanks.
Vishnu VardanVishnu Vardan (Avast)
You're welcome. We didn't get the screenshot of the certificate pops up. Please attach the screenshot of it and send back to us, to verify and assist you further.

Thanks,
Vishnu Vardan
Rob MarshallRob Marshall
Here you areUser-added image
AvinashAvinash (Avast) 
Thank you. We'll get back to you via email with a resolute solution at the earliest. Appreciate your patience meanwhile.
John SmithJohn Smith

Hi,

I just started testing AVG free (german) as I am too annoyed by my old antivirus and internet security program. However, I am not able to use Thunderbird anymore (alike so many other users). Thunderbird does work as soon as I turn email protection off. Though, there is litte use in an internet security program that does not cover emails. I cannot add the security exception for the certificate. It simply won't work - the same way it wouldn't work for Rob.
Cheers,
John
P.S. it is already 2019... I hope you found a solution on the issue
AvinashAvinash (Avast) 
John, if you have a paid subscription of AVG Internet Security, please contact our technical support team (http://avgclick.me/AVGtechnical) for further assistance.
John SmithJohn Smith
No, I do not have a paid subscription, as mentioned above. I cannot see any reason to buy a software that does not work properly on a free version.
-980888528-980888528 (Avast)
John
Please ignore the previous response. We would like to get more info to analyse the exact cause and recommend you to reach us from your own post: https://support.avg.com/support_authorization_required?startUrl=/support_ask 
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