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Images in emails flashing

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After the update to 78.10.1 the images in my emails started flashing off and on. This does not happen safe mode and I have no addons installed. At present the only option I have is to run Thunderbird in safe mode. Hope someone can help me.

After the update to 78.10.1 the images in my emails started flashing off and on. This does not happen safe mode and I have no addons installed. At present the only option I have is to run Thunderbird in safe mode. Hope someone can help me.

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In Options/General/Indexing, uncheck the box for hardware acceleration, restart TB, and see if the problem remains. Acceleration is one feature that is disabled in safe mode.