HTC Desire breaks Microsoft Wireless keyboard

Or, in other words, your keyboard will no longer work.

This                                      too close to this
HTC Charger

breaks these:

The cause, which I only found out by chance, AFTER I changed the batteries in my wireless keyboard.  When I say close, I mean arm length.  The HTC Desire power charger throws out enough electrical interference, to cause the keyboard to drop characters.

Now I know the answer, I can search Google and find this helpful Microsoft article:
Troubleshoot response failures in wireless keyboard or mouse