krypto_one

How do you know?

I just do. I'm a computer technician but you don't need to be one to know this. I use VMs often to ether test stuff out or just to play around with older/different operating systems without making any changes to my actual computer. What I meant with my comment is that if one would like to try these commands without damaging their Windows, they should simply set up a VM, make a snapshot and mess around with the commands as much as they want. Restore the snapshot to "fix" it and try another one. For example, earlier this week I used my Windows XP VM to experiment with the Memz.exe trojan virus. My actual PC is still safe and sound.

My VM won't start up.