"General access denied error’ (0x80070005)" when starting Hyper-V VM

Every Hyper-V virtual machines has a unique Virtual Machine ID (SID). If the Virtual Machine SID is missing from the security permissions on the .vhd or .avhd file, the virtual machine does not start.

icacls "D:\Virtual Hard Disks\VM.vhdx" /grant "NT VIRTUAL MACHINE\12345678-975B-469D-9A70-A31DA482AF2F":(F)