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Email shown only in protected mode

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In Protected Mode the Emails are shown normal. In normal Mode the Email is opened but not shown. No Errors Thunderbird: 78.12.0 (32-Bit) Windows 10 Home

In Protected Mode the Emails are shown normal. In normal Mode the Email is opened but not shown. No Errors Thunderbird: 78.12.0 (32-Bit) Windows 10 Home
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Chosen solution

Launch TB in safe mode, check 'Reset toolbars & controls', 'Make changes & restart'. Any difference?

https://support.mozilla.org/en-US/kb/safe-mode-thunderbird

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All Replies (4)

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What are your add-ons/extensions, and is hardware acceleration enabled in Options/General/Indexing? If it is, disable it, restart TB, and see if it works properly.

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I have three Addons (none new):

ImportExportTools NG (deaktiviert) MyPhoneExplorer (deaktiviert) Provider für Google Kalender (deaktiviert)

I deactivated the Addons and the hardware acceleration – without success

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Chosen Solution

Launch TB in safe mode, check 'Reset toolbars & controls', 'Make changes & restart'. Any difference?

https://support.mozilla.org/en-US/kb/safe-mode-thunderbird