support.microsoft.com - You may experience problems or you may receive error messages when you install IntelliType Pro 5.0 or IntelliPoint 5.0 software. If you use IntelliPoint 5.0 software on Windows XP Home or Pro, the mouse's scroll wheel and customized button assignments may not work. You might also find that the entire PC crashes about 10 minutes after being restarted. This affects at least the wireless versions of Microsoft's IntelliMouse Explorer, Optical Mouse, and Wheel Mouse.

Microsoft says this is caused by Terminal Services not being enabled on Windows XP. You could turn on Terminal Services, but if you don't have a need for this program, I recommend you leave it turned off.

A better solution is to install an IntelliPoint software update, which Microsoft re-released as recently as February 04. If you use that Microsoft's IntelliType Pro 5.0, it has a related problem that also requires an update to its software.