When I update LibreOffice, it installs all of its fonts. But I don’t want many of that fonts. If I delete them, they are installed again with the next LibreOffice update.
The windows installer of LO does not offer a custom option to disable the installation of these fonts.
Thanks for reading. 
Deine Frage hast Du ja bereits auf ask.libreoffice.org/en/ gestellt. Ich selber kenne keine Möglichkeiten einzelnen Schriftarten in LO abzuwählen.
The windows MSI-file can be edited using Microsoft tools (orca.exe for example). Maybe there are options for the installation of fonts at this level? An article in a german magazine states that you have to be very careful. Only changes in the table “Property” shall be mostly secure.
(I never worked with these tools.)
Regards
daMark.