To rebuild, reset or fix corrupted Fonts on your Windows 11/10 computer, do the following: Reset default font settings using the GUI Reset default font settings using the Registry Manually ...

Font cache service is a Windows service that optimizes the performance of applications by caching commonly used font data. Applications will start this service if it is not already running.

Tech expert Kurt “CyberGuy" Knutsson offers Windows 11 restart fixes: Update drivers, run system scans and check hardware.