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When I start Thunderbird in the Normal mode, I get the screen you see in Picture #1. Notice the top menu bar.

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  • Last reply by Matt

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When I start T'bird in normal mode, I get what you see in picture #1. Notice the custom menu bar at the top. I can still receive emails into the Inbox (but can't see or access them), and I can write an email, access the Address Book, Calendar, etc.

When I then start in Safe mode, with Shift key down, I get what you see in Picture #2. Notice that the custom menu bar at the top is gone. I have to recreate it every time I shut down and restart T'bird. That is unacceptable.

Please advise what I should do to correct this situation. If I can't, then I'm through with Thunderbird (after some 15+ years).

Many thanks, Robert Hawkins

When I start T'bird in normal mode, I get what you see in picture #1. Notice the custom menu bar at the top. I can still receive emails into the Inbox (but can't see or access them), and I can write an email, access the Address Book, Calendar, etc. When I then start in Safe mode, with Shift key down, I get what you see in Picture #2. Notice that the custom menu bar at the top is gone. I have to recreate it every time I shut down and restart T'bird. That is unacceptable. Please advise what I should do to correct this situation. If I can't, then I'm through with Thunderbird (after some 15+ years). Many thanks, Robert Hawkins
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Sometimes, I have found just reinstalling over the top of the installation fixes nagging technical problems. Corruptions do occur and that often fixes them.

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Would my custom menus and other modifications be intact?

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I re-installed T'bird over the existing installation, as you suggested. The problem still exists exactly as before.

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Sorry to know. Sometimes that quick fix works. Some on this forum have extensive tech skills, but not I.

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This is as good a thread as any.... What is the problem really?

I see https://support.mozilla.org/en-US/questions/1446288 A duplicate clearly as the content says it is. https://support.mozilla.org/en-US/questions/1443603 Which states the issue only occurs in normal mode. Safe mode is fine. https://support.mozilla.org/en-US/questions/1444602 where safe mode apparently resolved the issue.

but there is a bug I am sure. I will have to look.

Found it. https://bugzilla.mozilla.org/show_bug.cgi?id=1869685

With links to these other support topics. https://support.mozilla.org/en-US/questions/1434129 https://support.mozilla.org/en-US/questions/1435217 https://support.mozilla.org/en-US/questions/1445622 and now yours.

You might also want to look at the dependencies of this bug as each is a report of a blank user interface on startup. https://bugzilla.mozilla.org/show_bug.cgi?id=1860253

I do not know if they are still looking for a copy of a prefs.js file to investigate what the issue is, perhaps ask in the bug report.

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