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What has a crash of Lightning (calendar) done to my Thunderbird?

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For quite some time I've been using Thunderbird with the Lightning add-on which I've come to rely on. Yesterday I tried to edit an event/reminder by changing the date of it to one day sooner, but when I clicked to save it, Thunderbird hanged completely and continued to hang every time I tried to open it. The only way I've been able to get Thunderbird opening again has been by removing Lightning. Even when I re-add it, Thunderbird goes back to "not responding" until I remove it again. I wonder whether anyone else has experienced anything like this, or if anyone can shed some light. Thx.

For quite some time I've been using Thunderbird with the Lightning add-on which I've come to rely on. Yesterday I tried to edit an event/reminder by changing the date of it to one day sooner, but when I clicked to save it, Thunderbird hanged completely and continued to hang every time I tried to open it. The only way I've been able to get Thunderbird opening again has been by removing Lightning. Even when I re-add it, Thunderbird goes back to "not responding" until I remove it again. I wonder whether anyone else has experienced anything like this, or if anyone can shed some light. Thx.

All Replies (7)

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is this a local calendar, or one synchronized from say Google or icloud?

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I know what lightning is, but what sort of calendar in Lightning. That is the question.

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I don't know from calendar sorts at all. After I added Lightning there was a little icon up on the tool bar that looked like an old fashioned, desktop date calendar. When I'd click that it would open like a wall calendar displaying the entire current month. It had a corresponding tab. When I'd close the tab and the calendar would close. I never selected, added or saw any other calender, so I don't know how to say what sort it was. As far as I knew, it was the calendar whose icon appeared on the toolbar after I added Lightning. Now, of course, I wish I could take a close look and identify it, but if I add it again Thunderbird completely and hopelessly hangs.

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lets see what we can do. I promise nothing.

Open Thunderbird and from the help menu click on Troubleshooting information On that tab there is a show folder button. Click it.

Close Thunderbird. you should not be able to see a calendar-data folder in your windows explorer window. attach the local.sqlite file it contains to an email to unicorn dot consulting at gmail dot com I will see if I can remove whatever is the issue and return it to you.

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Sent per instruction 12:23pm pacific. Whatever the outcome, thanks for trying.

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I never got Lightning to work again. I finally just started using Windows Calendar. I never knew it was included in my Windows Vista. It works better than Lightning. Thanks for the effort though, folks.