Thunderbird crashes regularly. I have determined that it might be due to RAM. When Quickbooks is open, Thunderbird will crash almost all the time. If I close QB, it is fine. I have an HP desktop w/ 8GB ram. What I don't understand is that it started doing this recently, but never used to crash. Is TB using more ram now since the latest releases? Any insight would be appreciated.

What are the crash id's?https://support.mozilla.org/en-US/kb/mozilla-crash-reporter-tb#w_viewing-crash-reports.

My "guess" is that Quickbooksis loading a different version of some DLL into memory and the result is a crash. But that is just a gut feeling based on the DLL hell developers lived in 25 years ago. It has been mitigated, but never really cured.

You might want to "experiment" with starting Thunderbird first, or after Quickbooks to see if there is a different response.

Happens to me frequently and just thought to come here to see if it was a known problem.

1. WHILE running Thunderbird, I launch Quickbooks Desktop Pro 2021
2. Quickbooks is sitting on my login screen
3. I pressed "Delete" to delete a message in my Thunderbird window.
4. Thunderbird closes abruptly without any messages

If you are still crashing, please create a new question https://support.mozilla.org/en-US/questions/new/thunderbird