Firefox 141 update issue

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Thane K. Sherrington

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Jul 25, 2025, 10:28:21 AMJul 25
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I've had at least four cases so far of people where when Firefox upgrades to 141, it creates a new profile.  When I try to use the old profile using profile manager, it tells me I'm using an old version of Firefox and that it will corrupt the profile.  If I uninstall and reinstall Firefox and then create a new profile and copy the old one into it, it works fine.

It appears that Firefox is updating the x64 Canadian version to x64 US so that might be part of it.

Anyone else seeing this and/or have a work around?

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Thane K. Sherrington

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Thane K. Sherrington

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Jul 25, 2025, 12:52:36 PMJul 25
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Further update to this.  What is happening is that both Firefox 141 Canadian x64 and FF 141 US x86 gets installed, but the US x86 is the one that runs.  Removing both and reinstalling FF 141 Canadian x64 fixes it.


Thane K. Sherrington

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Mike Kaply

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Jul 25, 2025, 12:56:08 PMJul 25
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And this happened as part of an update? I would definitely expect x86 and x64 to go in different directories when they are explicitly installed...

Mike

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