Line break is using the enter key IE use paragraphs. A code tag is using [code][/code ] {remove the space} the around a block of code, like I have done in your previous posts.

The messages you are looking for occur in the HotKeynet window when you press the key that you are expecting to work. In this case, you have said you expect the arrow keys to work - what does the HotKeyNet window say when you press an arrow key?

Are you running your games in windowed mode? You cannot multibox if the game is fullscreen.