If you see only a few font files with the *.FON and *.TTF extensions in this directory, then the default font files have been deleted and reset by the built-in tools (as described above) won’t help. Try to open this folder in File Explorer. The font files in Windows are stored in the C:\Windows\Fonts directory.
Extract Default Font Files from a Windows 10 or 11 Installation Image
The installation of a large number of fonts in Windows can lead to problems with system performance and some apps, usually related to graphics and layouts.
