Try this first, if the cache is corrupt, it should solve the problem
If it is a corrupt font, the problem will recur, either immediately or eventually.
If your fonts are not appearing correctly in the font menu or in documents (“garbled” is a common term for this), then one of the best solutions is to clear your font cache. Depending upon your system and application programs, this may entail deleting multiple font cache files.
What is a font cache file?
These are files used by the operating system and certain applications to keep track of what fonts are installed. If the font cache gets corrupted a variety of problems can ensue, including fonts not appearing in the font list in an application, or wrong fonts (or missing fonts) in documents.
How to clear the font cache
The best approach to delete the font cache file(s). It’s OK to delete these files, as they will automatically be restored once your system is restarted, or when you relaunch an application.
The Windows operating system has a font cache file that is located here:
Delete this file, and restart your system. A new FNTCACHE.DAT file will be created on startup.