Upon reopening Ai files, it shows that fonts are missing when they aren't
To fix the "error" I have to navigate to Adobe fonts, uninstall each font one by one, as uninstalling a font family all at once doesn't fix the issue, then individually reinstall each font. Super tedious and taxing to workflow. Issue is across multiple files, all that I have created on the same device that presents the "missing font" dialogue so I know it isn't a file issue. Please fix.
Windows 10 Pro
Adobe Illustrator v 29.5.1

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MarkR commented
Making the same comment as on the other font problem thread:
As of about 20 minutes ago, and after almost losing my mind, and after opening a particular file over and over and over on several different iMacs (from 2020 to 2025 machines) and using several different versions of Illustrator (from 2021 to 2025), SUDDENLY the font replacement issue is gone, and everything is back to normal!!! The automatic font replacement issue lasted for about 2-3 hours (2-3 wasted hours of freaking out) and now everything is just fine. WHAT-IN-THE-WORLD was that about???
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MarkR commented
This same font nightmare just started happening to me within the last couple hours. ALL fonts in all files have been replaced with whatever-in-the-world-font-is-on-my-machine. I'm on a Mac and I've tried running several versions of Illustrator all the way down to 2024 versions, and same thing. I've restarted my 2025 Mac Studio and nothing is fixing this catastrophe. I don't have the time to manually replace the hundreds of font instances all over my files.
ADOBE PLEASE FIX THIS IMMEDIATELY -
Jade, would you be able to share one such a file with the team?
Send them here, if it’s OK — sharewithai@adobe.com