What do mean 'nothing works'?
Are you editing a shortcut? Adding one?
What exactly is the issue - please detail what is happening.
Exactly Nothing is or can be made to happen except Close or OK - it closes promptly.
My interest, to start, is to find if a keystroke can control the position on the timeline - I did find one in the Dummies site and it works. But when I click on the triangle next to Timeline, or any other, nothing happens. Don't know how to explain nothing more exactly.