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Thunderbird crashes when trying to size window using mouse and borders and messages cannot be viewed in Tabs

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alexanderamperez
alexanderamperez
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Since a couple years ago, I had some serious issues with Thunderbird on my company's Win10 notebook. Opening messages in new tabs just created blank tabs, and sometimes, the window got into a state where trying to size it from any border immediately crashed the window. I installed TB on a new machine this morning, and at first, all worked. But after a reboot, I started seeing the same problems on my new machine!

After dozens of crashes, changing profiles, safe mode, etc., I was just about to give up, but then I tried to start TB in "Elevated Mode". Our company uses PowerBroker, and starting "Run Elevated" a program gives it higher levels of permissions (not admin but something between user and admin). Voila. All of a sudden, TB is working again as it used to years before. There seems to be either a serious defect in PowerBroker, Windows or TB, but this defect is probably too rare that it'll get fixed.

So I hope anyone else using TB and PowerBroker can confirm a similar problem and my solution!

Since a couple years ago, I had some serious issues with Thunderbird on my company's Win10 notebook. Opening messages in new tabs just created blank tabs, and sometimes, the window got into a state where trying to size it from any border immediately crashed the window. I installed TB on a new machine this morning, and at first, all worked. But after a reboot, I started seeing the same problems on my new machine! After dozens of crashes, changing profiles, safe mode, etc., I was just about to give up, but then I tried to start TB in "Elevated Mode". Our company uses PowerBroker, and starting "Run Elevated" a program gives it higher levels of permissions (not admin but something between user and admin). Voila. All of a sudden, TB is working again as it used to years before. There seems to be either a serious defect in PowerBroker, Windows or TB, but this defect is probably too rare that it'll get fixed. So I hope anyone else using TB and PowerBroker can confirm a similar problem and my solution!

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Matt
Matt
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I would encourage you to file a bug for that. https://bugzilla.mozilla.org/home

I would, but at some point if anyone needs to ask a question I would not be able to even begin to form an answer.