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thunderbird stops responding in windows 10 Home edition with 64 bit operating system

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Thunderbird version 60.9.0 (32-bit) Stops Responding while typing messages. If I wait long enough it will start responding again, however sometimes Thunderbird will close and I have to start over again. The problem began after a recent update which also caused Open office to do the same thing. I fixed open office by renaming the current user file to user_old and allowing Open Office to create a new user file. I am hoping the solution to this problem is as easy to fix as open office was.

Thunderbird version 60.9.0 (32-bit) Stops Responding while typing messages. If I wait long enough it will start responding again, however sometimes Thunderbird will close and I have to start over again. The problem began after a recent update which also caused Open office to do the same thing. I fixed open office by renaming the current user file to user_old and allowing Open Office to create a new user file. I am hoping the solution to this problem is as easy to fix as open office was.
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  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0

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christ1
  • Top 25 Contributor
2153 solutions 15729 answers

What is your anti-virus software?

What is your anti-virus software?
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Question owner

IObit Anti-Malware, Anti-Ransomware with Bitdefender Enabled IObit Smart Defrag 6 is also installed. The problem didn't start until a most recent Thunderbird update.

IObit Anti-Malware, Anti-Ransomware with Bitdefender Enabled IObit Smart Defrag 6 is also installed. The problem didn't start until a most recent Thunderbird update.
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christ1
  • Top 25 Contributor
2153 solutions 15729 answers

Try to start Windows in safe mode with networking enabled. - Win10 https://support.microsoft.com/en-us/help/12376/windows-10-start-your-pc-in-safe-mode

Still in Windows safe mode, start Thunderbird in safe mode. - https://support.mozilla.org/kb/safe-mode

Does the problem go away?

Try to start Windows in safe mode with networking enabled. - Win10 https://support.microsoft.com/en-us/help/12376/windows-10-start-your-pc-in-safe-mode Still in Windows safe mode, start Thunderbird in safe mode. - https://support.mozilla.org/kb/safe-mode Does the problem go away?
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Question owner

OK, have been in Windows and Thunderbird Safe Mode for several hours now and it has not stopped responding. It even seems to be faster and responding better. So now we know it can be any one of a number of other things causing it............  :)

OK, have been in Windows and Thunderbird Safe Mode for several hours now and it has not stopped responding. It even seems to be faster and responding better. So now we know it can be any one of a number of other things causing it............ :)
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christ1
  • Top 25 Contributor
2153 solutions 15729 answers

Windows safe mode disables anti-virus software, which is most likely the culprit. These are some generic suggestions to avoid problems with anti-virus software.

Create an exception in your anti-virus software for the Thunderbird profile folder, so that the anti-virus real-time scanner will not scan it. http://kb.mozillazine.org/Profile_folder_-_Thunderbird

Don't let your anti-virus software scan incoming and outgoing messages.

Don't let your anti-virus software scan attachments.

Don't let your anti-virus software intercept your secure connection to the server.

Remove any add-ons your anti-virus software may have installed in Thunderbird.

Keep it working. http://kb.mozillazine.org/Keep_it_working_-_Thunderbird

And last but not least, backup your Thunderbird profile on a regular basis. https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile

Windows safe mode disables anti-virus software, which is most likely the culprit. These are some generic suggestions to avoid problems with anti-virus software. Create an exception in your anti-virus software for the Thunderbird profile folder, so that the anti-virus real-time scanner will not scan it. http://kb.mozillazine.org/Profile_folder_-_Thunderbird Don't let your anti-virus software scan incoming and outgoing messages. Don't let your anti-virus software scan attachments. Don't let your anti-virus software intercept your secure connection to the server. Remove any add-ons your anti-virus software may have installed in Thunderbird. Keep it working. http://kb.mozillazine.org/Keep_it_working_-_Thunderbird And last but not least, backup your Thunderbird profile on a regular basis. https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile
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Question owner

If I don't allow my antivirus program to scan incoming mail, whats the sense in having the it at all?

I assume Bitdefender is the guilty program, do you have any recommendations for a free antivirus program that should be used instead?

If I don't allow my antivirus program to scan incoming mail, whats the sense in having the it at all? I assume Bitdefender is the guilty program, do you have any recommendations for a free antivirus program that should be used instead?
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christ1
  • Top 25 Contributor
2153 solutions 15729 answers
If I don't allow my antivirus program to scan incoming mail, whats the sense in having the it at all?

You should still use your anti-virus real-time scanner. With the real-time scan turned on [which it is typically by default] it will scan all the files and attachments and will alert you if there is any infection. It just shouldn't scan the Thunderbird profile folder.

do you have any recommendations for a free antivirus program that should be used instead?

Windows Defender

<blockquote> If I don't allow my antivirus program to scan incoming mail, whats the sense in having the it at all? </blockquote> You should still use your anti-virus real-time scanner. With the real-time scan turned on [which it is typically by default] it will scan all the files and attachments and will alert you if there is any infection. It just shouldn't scan the Thunderbird profile folder. <blockquote> do you have any recommendations for a free antivirus program that should be used instead? </blockquote> Windows Defender
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