Hy Guys, here is the Solution: When you update from macOS Catalina -> BIG SUR Then you need to update FUSE to 4.0.4 https://osxfuse.github.io/2020/11/30/macFUSE-4.0.4.html And then if appears another error you need to update Veracrypt itself to the latest version: https://www.veracrypt.fr/en/Downloads.html THAT SOLVED MY ISSUE!!