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Hi I have just reloaded Thunderbird onto my laptop after installing a new hard drive. It worked Ok until i imported an account and now get this error message even if I uninstall and reinstall.

That appears in a box and thats it.

Cheers Jim

It appears Windows 11 KB5065797 broke my Thunderbird. It will not start normally nor will it start in safe mode.

- I've updated to latest version 144.0 - I've tried starting in safe mode - I've tried running as administrator - Thunderbird shows in Processes, and displays suspended randomly - I've restarted Windows - I've cleared cache under users\x\appdata\local\thunderbird\profiles\x\cache2\entries\

This morning, Firefox updated automatically to Firefox 144. However, this update completely broke Firefox; every tab crashed, and I couldn't even use Firefox to get to this help site.

Edition Windows 10 Enterprise Version 22H2 Installed on ‎03/‎25/‎2022 OS Build 19045.6332

Changing my OS is not an option for me; those decisions are made far, far away. I was allowed to use Firefox instead of Chrome. Sadly, I have to switch over to Chrome today in order to work.  :(

I have added a couple of screenshots.

I am moving over to Chrome to do some work.

Thanks for any help, B

Firefox repeatedly crashes on my, multiple times a day. I'dc really like to NOT have to change my default browser to Chrome.

What happens is that Firefox freezes, and I get a white bar at the top telling me so. I get a popup box asking if I want to close Firefox or wait for it to respond. Waiting doesn't work, so I always have to close Firefox. When I reopen it, fortunately all m,y open tabs are retained, but it crashes again within minutes or seconds as soon as I click on anything.

There only thing that seems to work is a reboot of my PC. But the respite is short before Firefox crashes again.

I've disabled most plugins, but that hasn't helped. Is there a way to create an event log within Firefox that I can share with someone at Mozilla to help e debug the issue? It's got to be something local rather than Firefox itself; I can't imagine this is happening to most users.

thunderbird won't start after installation giving message that a version is already running. I end the task in task manager and it doesn't help, then restart with same erro. I tried deleting the parent.lock file from the profile and that didn't help. What next? Has anyone solved this issue?

Hello, my email service has shut down for the second time. When asked to open, a small window appears and says the system is affected by a whatever. The window only lasts for a couple of seconds.

I tried to follow the instructions as how to get my profile, but is was lost due to an internet access cut.

Hoping someone can help. regards Stephen

Hey folks, I recently installed a new NVME, clean Windows install, clean Firefox install. Recently I've had seemingly random crashes on tabs, happened a lot with YouTube and seems to happen fairly consistently if I go to my watch history. Other sites seem okay, everything else seems to be working fine, checked my drive, my RAM. This Firefox install is using my Mozilla account for passwords and themes. Included a recent crash report if that helps. Thanks if any of y'all can help

https://crash-stats.mozilla.org/report/index/863d30db-00fe-4761-abfe-197250251010#tab-details

I recently swapped to firefox and have had issues with my tabs crashing. There are days where a tab will repeatedly crash, or not at all. It always crashes on 1 tab. I've tried most of the suggested solutions, profiles change, addon troubleshooting, hardware acceleration, updating/reinstalling. Currently on windows 11.