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Disable the Help key on the Keyboard
Do you constantly slip and tap the Help key when you really wanted Delete? This edit creates a new keyboard layout with the Help key disabled, and if you ever need it back, it's a simple as selecting the old keyboard layout from a menu.
This edit assumes you will be editing the US Keyboard layout, but it should work on international layouts too.
 Open a copy of the System suitcase with ResEdit and scroll down to the KCHR resource.
Open it with a double-click.
 Depending on how many keyboard layouts you have installed, your window may look different than mine.
Select ID #0 "US" and duplicate it with command-D. The copy should have ID#128.
Since I use no other Keyboard layouts, I thought I would rename the copy and give it a new ID. To do this, select the copy and from the File menu, select "Get Info for...".
Change the name as I did to "U.S. (No Help)". Change the ID if you wish to a lower, unused one.
Open "U.S. (No Help)" with a double-click, and you will be presented with a large table.
 The default visual keyboard layout is not an Extended Keyboard. To change this, select View As... from the KCHR menu.
Select Apple ISO Ext. Keyboard II (ID=5) and click OK.
The display should look very similar to the one below. If you type and hold the Help key, you notice that three black squares light up. The one on the far left represents Character $05. The one on the far right represents the Help key $72. The bottom black square is the graphic representation of the key's location.
The very first box in the upper left corner is the null character $00. Click and drag it to the right hand location representing the Help key and release it.
The Help key is now assigned to nothing!
You can save your work and quit ResEdit, but we still have a little more work to do.
 If you want to use your new layout immediately, open the System suitcase and drag the new keyboard layout into the active System suitcase, otherwise, replace the old System suitcase and ReStart.
 You can now become Help-less from either the keyboard menu, or use the Keyboard Control Panel.
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