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Thunderbird hangs and won't start up in Safe Mode on mac OS Catalina 10.15!!! How do I fix this? Currently using Mac Mail 13 as a substitute.

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  • Last reply by Wayne Mery

I upgraded to Catalina macOS 10.15 on my Mac and my Thunderbird would not work and crashed. I decided to reinstall Thunderbird from scratch and Thunderbird still just hangs on startup. Staring Thunderbird in SAFE mode does not work either. Using Mac Mail until this is fixed. HELP!!!

I upgraded to Catalina macOS 10.15 on my Mac and my Thunderbird would not work and crashed. I decided to reinstall Thunderbird from scratch and Thunderbird still just hangs on startup. Staring Thunderbird in SAFE mode does not work either. Using Mac Mail until this is fixed. HELP!!!

All Replies (1)

Do you get aThunderbird crash report window? If you do, please post your crash IDs per https://support.mozilla.org/en-US/kb/mozilla-crash-reporter-tb#w_viewing-crash-reports