(related searches: MEMZ 40 install, MEMZ clean version, sandbox VM for pranks)

: Never run the standard MEMZ 4.0 on a physical machine you care about, as it will overwrite the MBR and render the system unbootable. Matelpro777/MEMZ-4.0-pannel - GitHub

Overwrites the computer's Master Boot Record (MBR) and replaces it with an animation of Nyan Cat, rendering the PC unbootable.