How to disable a shortcut Ctrl + F4

[daohaquang]

Autocad has a shortcut Ctrl + F4 to close the drawing
I want to disable that shortcut
Thank you

[pendean · Accepted solution]

While you wait... the CTRL+F4 is a WindowsOS (not AutoCAD) shortcut for close, works in all apps that way.
Wait until you discover ALT+F4 😉