Disable hardware acceleration to fix graphics glitches and crashes.
A couple weeks ago, Thunderbird updated itself, and my email life went to hell. The screen kept going black. Often all the icons on the email folders were missing. I often had to minimize and reopen Thunderbird to see anything. I was killing it and restarting it maybe 8 times a day when it hung completely. It crashed itself, and sent error reports, maybe 20 times a day. Absolutely horrible.
I finally found this article, that explains how to disable hardware acceleration:
That worked. Apparently in one of the recent updates, Thunderbird turned hardware acceleration on, when for my system, it needed to be off. (I dimly remember turning it off before.)
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In addition, there is a simple switch off in Options.
'Tools' > 'Options' > 'Advanced' > 'General' tab or 'Menu icon' > 'Options' > 'Options' > 'Advanced' > 'General' tab
To switch off: uncheck 'Use hardware acceleration when available' click on 'OK'.
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In addition, there is a simple switch off in Options.
'Tools' > 'Options' > 'Advanced' > 'General' tab or 'Menu icon' > 'Options' > 'Options' > 'Advanced' > 'General' tab
To switch off: uncheck 'Use hardware acceleration when available' click on 'OK'.
Thank you much, Toad-Hall! Very timely, too. I was just contemplating whether to install the latest Thunderbird update, when the last one gave me grief for a week...
P.S. This option is new. I was using Thunderbird 36.0, which did not include the hardware acceleration option on Tools > Options > Advanced > General.