Font book minor problems were found, May 24, 2013 · Re-installing a font in Font Book can lead to font cache trouble. Fonts with high amounts of detail, such as distressed or handwritten-style fonts, may trigger warnings in Font Book’s validation process. Message at bottom is "minor problem proceed with caution. Oct 27, 2010 · Font validation question When I run ValidateFonts in Font Book, I have 18 fonts with the yellow circle and the exclamation point in it. Mar 2, 2010 · I was in Font Book, verified all font and have 35 minor issues, yellow question mark. Here is how to avoid it. Jan 25, 2019 · In Font Book, choose File, Add Fonts and just add that one. System Upgrades: Upgrading to a new macOS version can cause font issues, especially if fonts were not properly managed or updated. In Font Book, click Edit and Look for Enabled Duplicates. This will find the duplicates if there are any. Here is how you can address this. Jul 11, 2016 · Suddenly, Font Book gives me the same message about new fonts I want to install: problems found during installation, # serious errors were found, do not use these fonts. Although these fonts won’t cause any issues with your system, older computers might render them slower than normal fonts due to the intricate letterforms. This page is part of The Ultimate Font Guide, an introductory font manual that explains the basics of fonts and how to install fonts, use them in different applications and more. " What the heck does THAT mean??? None of these fonts were downloaded anywhere and are all pretty "normal sounding fonts" like Arial and Comic Sans. If you have a Macbook, you might have bumped into this pop-up while installing fonts. If you’re having trouble with Font Book on your Mac, try these troubleshooting suggestions to resolve problems. I've downloaded the font from a free font site, but when I was about to install it, Font Book said that it has a minor problem (with yellow triangle symbol) so proceed with caution. Compatibility Issues: Certain fonts may not be supported by specific applications, leading to visual discrepancies. We would like to show you a description here but the site won’t allow us. Sep 20, 2020 · Resolve fonts You may have a problem with your fonts because you have duplicates. Jun 23, 2015 · I discovered years ago that my iMac OS X Yosemite doesn't have some of the fonts my Snow Leopard had like DigitalStrip. It appears all my fonts are in \Library\Fonts \System\Library\Fonts I have no fonts in \User\Name\Fonts but have collections in FontCollection. Look for yellow warning triangles and soon as it's installed, trying to read a message in Mail and go to a new web page in your browser. Font Book’s font validation system Sep 15, 2025 · Could not install fonts on Mac? Learn how to fix font installation issues by changing the settings in Font Book and validating fonts. If there are any, you will have two options: Resolve Automatically or Resolve Manually. How do I fix them. Most fonts with minor validation problems should still be installable (and work fine for 99% of whatever you need them for) and only fonts with significant standards-conformity problems will be completely blocked from installing. Sep 11, 2020 · Typically Font Validation is that the Mac is extremely hyper-picky about the integrity of the fonts it installs. Jan 29, 2025 · System Font Cache Problems: The font cache may become corrupt over time, leading to display issues.


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