Why does it say insufficient disk space when I have enough?
This likely means that the game is installed on your system. The reason it says insufficient is because you may have a virus or malware, which causes some software to crash and fail. To fix this issue there are two options: You can either delete all files in Beat Saber except for save data and reinstall the game, or find an antivirus/malware program from another company so that it doesnt cause issues with other programs like Beat Saber