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Thunderbird not responding

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A few days ago, suddenly my Thunderbird did not work for one of my hotmail accounts. It said the password is incorrect while it wasn't. I added a new account with the same password and it worked fine. It continued to say the password was incorrect for the other so I would just cancel the download for that one. I didn't want to delete it as I had loads of mail organised in folders.

It worked fine for a while, but now it goes straight to 'not responding'. I suspected the conflict so I tried to disable downloads for the first account and it wouldn't let me as the other account had the same name. So I changed the name and then - I believe - disabled downloads.

However, it still keeps 'not responding' and I cannot go into properties or settings, options or whatever as it hangs as soon as I start up the program.

I have uninstalled all virus software and tried in safe mode to no avail.

Unfortunately, when I uninstall, and re-install Thunderbird, it installs all the accounts automatically so I was unable to fix it this way either.

A few days ago, suddenly my Thunderbird did not work for one of my hotmail accounts. It said the password is incorrect while it wasn't. I added a new account with the same password and it worked fine. It continued to say the password was incorrect for the other so I would just cancel the download for that one. I didn't want to delete it as I had loads of mail organised in folders. It worked fine for a while, but now it goes straight to 'not responding'. I suspected the conflict so I tried to disable downloads for the first account and it wouldn't let me as the other account had the same name. So I changed the name and then - I believe - disabled downloads. However, it still keeps 'not responding' and I cannot go into properties or settings, options or whatever as it hangs as soon as I start up the program. I have uninstalled all virus software and tried in safe mode to no avail. Unfortunately, when I uninstall, and re-install Thunderbird, it installs all the accounts automatically so I was unable to fix it this way either.

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  • User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36

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Matt
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3361 Lösungen 23284 Antworten
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GabyT said

Bet you any money there was an update the other day, and that's why 'kaylaartist' has a problem now.

There is an update every 6 weeks. Regular as clockwork. but 20 million people get the update and a few suddenly don't get mails. The cause on Windows in something like 99% Anti virus. Norton and their firewall component probably account for half of that. But that is just 5 or so years of doing Thunderbird support talking. Do the people have an issue. Yes they do. Is Thunderbird at fault. No it is not. I suggest you look at this page. https://wiki.mozilla.org/Thunderbird:Testing:Antivirus_Related_Performance_Issues

In the past 12 months considerable changes have occurred in SSL and TLS and what is acceptable. Some mail providers are still using broken encryption algorithms. Some dating back to the 1990s. So called US export cyphers. If going to an old version AND if your connection uses SSL or TLS and it is not your anti virus then it is probable that you are dealing with broken security. Do people have a problem. Yes they do! Is it Thunderbird fault? No. It is poor server maintenance and adherence to best practice on the part of the server operators. Including some large ISP. I blogged about that about a year ago. http://thunderbirdtweaks.blogspot.com.au/2015/07/logjam-and-thunderbird.html

Failure to continue working following an update is very very rarely because someone released a broken version of Thunderbird. I have had perhaps 3 daily builds in the last few years that simply failed to get mail. A daily build is of course expected to have failures, that is the starting point to release. Not the end.

Now I am not saying that there are not Thunderbird issues. But there is a reason this article does not recommend you use a year or more old version. Cannot receive messages

Security is constantly being tightened and broken security removed. That is the nature of an actively developed application, particularly an email one. To choose to use old versions and broken security is an invitation to having your machine infected by ransom-ware. Those malware products that encrypt all your data and ask for money to decrypt it.

''GabyT [[#answer-892371|said]]'' <blockquote> Bet you any money there was an update the other day, and that's why 'kaylaartist' has a problem now. </blockquote> There is an update every 6 weeks. Regular as clockwork. but 20 million people get the update and a few suddenly don't get mails. The cause on Windows in something like 99% Anti virus. Norton and their firewall component probably account for half of that. But that is just 5 or so years of doing Thunderbird support talking. Do the people have an issue. Yes they do. Is Thunderbird at fault. No it is not. I suggest you look at this page. https://wiki.mozilla.org/Thunderbird:Testing:Antivirus_Related_Performance_Issues In the past 12 months considerable changes have occurred in SSL and TLS and what is acceptable. Some mail providers are still using broken encryption algorithms. Some dating back to the 1990s. So called US export cyphers. If going to an old version AND if your connection uses SSL or TLS and it is not your anti virus then it is probable that you are dealing with broken security. Do people have a problem. Yes they do! Is it Thunderbird fault? No. It is poor server maintenance and adherence to best practice on the part of the server operators. Including some large ISP. I blogged about that about a year ago. http://thunderbirdtweaks.blogspot.com.au/2015/07/logjam-and-thunderbird.html Failure to continue working following an update is very very rarely because someone released a broken version of Thunderbird. I have had perhaps 3 daily builds in the last few years that simply failed to get mail. A daily build is of course expected to have failures, that is the starting point to release. Not the end. Now I am not saying that there are not Thunderbird issues. But there is a reason this article does not recommend you use a year or more old version. [https://support.mozilla.org/en-US/kb/cannot-receive-messages Cannot receive messages] Security is constantly being tightened and broken security removed. That is the nature of an actively developed application, particularly an email one. To choose to use old versions and broken security is an invitation to having your machine infected by ransom-ware. Those malware products that encrypt all your data and ask for money to decrypt it.

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kaylaartist 2 Lösungen 103 Antworten
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I believe it may have to do with the attached image. Don't understand this, or why. This is what happened. Got new pc and transferred/downloaded tbird t new pc. and it worked FINE, but could not transfer, or find my contacts/addresses, so shared them via wifi yesterday. Tbird started acting funny. Same settings ALL year with no issues. Set up correctly through gmail. Any advice with this would be helpful. The only thing I don't recognize is pm server settings. I have it at 'normal password' but when I created the account on the new pc, it was pre populated with Oauth2?? Thank you

I believe it may have to do with the attached image. Don't understand this, or why. This is what happened. Got new pc and transferred/downloaded tbird t new pc. and it worked FINE, but could not transfer, or find my contacts/addresses, so shared them via wifi yesterday. Tbird started acting funny. Same settings ALL year with no issues. Set up correctly through gmail. Any advice with this would be helpful. The only thing I don't recognize is pm server settings. I have it at 'normal password' but when I created the account on the new pc, it was pre populated with Oauth2?? Thank you
christ1
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2195 Lösungen 16050 Antworten
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I have it at 'normal password' but when I created the account on the new pc, it was pre populated with Oauth2?

'Authentication type' should be set to 'OAuth2' for both, Gmail IMAP and SMTP.

I believe it may have to do with the attached image.

Click the 'View' button and inspect the certificate (see attached screenshot for instructions). Who is the issuer of the cert? Please post a screenshot of the Certificate Viewer window with the issuer information visible. Do not actually confirm the security exception.

<blockquote> I have it at 'normal password' but when I created the account on the new pc, it was pre populated with Oauth2? </blockquote> 'Authentication type' should be set to 'OAuth2' for both, Gmail IMAP and SMTP. <blockquote> I believe it may have to do with the attached image. </blockquote> Click the 'View' button and inspect the certificate (see attached screenshot for instructions). Who is the issuer of the cert? Please post a screenshot of the Certificate Viewer window with the issuer information visible. Do not actually confirm the security exception.
Matt
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What anti virus are you using?

It sounds to me like one of those that hack your SSL connections by inserting themselves into the certificate store as a certifying authority.

IIRC AVAST is one of those.

From https://wiki.mozilla.org/Thunderbird:Testing:Antivirus_Related_Performance_Issues#AVAST Avast 2015 causes invalid mail server certificate warnings sending/receiving mail Avast describe the cause thus "The Mail Shield in Avast 2015 uses advanced scanning method for incoming and outgoing e-mails over SSL/TLS secured connections", the reality is they perform a man in the middle hack of your connection using SSL certificates by making themselves a top level certifying authority. As Thunderbird like all quality mail client maintains it's own certificate store the Avast hack does not work. There are instructions on the avast site explaining how to make then a trusted certifying authority.

I define it as your anti virus program is hacking your connection. Get a program that is not so keen to reduce your security. Or just turn of the email scanner entirely. Those that use web mail do not have their mail scanned like mail in mail clients is scanned. Turning off the mail scanner is about the same as accessing your mail at the Gmail web site.

What anti virus are you using? It sounds to me like one of those that hack your SSL connections by inserting themselves into the certificate store as a certifying authority. IIRC AVAST is one of those. From https://wiki.mozilla.org/Thunderbird:Testing:Antivirus_Related_Performance_Issues#AVAST '''Avast 2015 causes invalid mail server certificate warnings sending/receiving mail ''' Avast describe the cause thus "The Mail Shield in Avast 2015 uses advanced scanning method for incoming and outgoing e-mails over SSL/TLS secured connections", the reality is they perform a man in the middle hack of your connection using SSL certificates by making themselves a top level certifying authority. As Thunderbird like all quality mail client maintains it's own certificate store the Avast hack does not work. There are instructions on the avast site explaining how to make then a trusted certifying authority. I define it as your anti virus program is hacking your connection. Get a program that is not so keen to reduce your security. Or just turn of the email scanner entirely. Those that use web mail do not have their mail scanned like mail in mail clients is scanned. Turning off the mail scanner is about the same as accessing your mail at the Gmail web site.

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kaylaartist 2 Lösungen 103 Antworten
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i use bitdefender. Never even used Avast

i use bitdefender. Never even used Avast
Matt
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And did you check bit defenders method of operation.

I guess not as I appear to have no trouble locating reports using google of exactly the same issue.

Like http://security.stackexchange.com/questions/64598/bitdefender-antivirus-ssl-cert-substitution They even have instructions for how to turn it off for web pages http://www.bitdefender.com.au/support/what-to-do-when-security-certificates-cannot-be-verified-installed-1090.html

SO I am thinking this is a bitdefender issue not a Thunderbird one.

And did you check bit defenders method of operation. I guess not as I appear to have no trouble locating reports using google of exactly the same issue. Like http://security.stackexchange.com/questions/64598/bitdefender-antivirus-ssl-cert-substitution They even have instructions for how to turn it off for web pages http://www.bitdefender.com.au/support/what-to-do-when-security-certificates-cannot-be-verified-installed-1090.html SO I am thinking this is a bitdefender issue not a Thunderbird one.
kaylaartist 2 Lösungen 103 Antworten
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I contacted bitdefender directly and they advised a repair, which I did. So far, only 3 hours later, it seems to be ok. Will see

I contacted bitdefender directly and they advised a repair, which I did. So far, only 3 hours later, it seems to be ok. Will see