8 cool Cortana tricks you need to know with Windows 10. You can try this on your friends and family. Deleting Windows 10 Cortana won’t work. Removing Cortana from Windows 10 spawns even more Cortana’s and even more bugs & glitches. Was the paper clip guy even half as annoying as this more sinister thing they call Cortana? It’s always good to look on the bright side of life, and enjoy watching glitches and bugs, like an ant farm. Attempting deleting ALL of Cortana with Martian Marty.