HP Windows Media Center computers often come with a remote control and an Infrared receiver/transmitter. There are many version of this IR transceiver built for different versions of Windows. So if you use the remote in the version of Windows that it is intended for, you don’t need a special driver as it will already be included in the Windows installation.

But if you happen to have the following specific model but would like it to work in XP environment, you will need a special driver (download  here) for it. Be sure to identify the device as all versions of the transceiver look the same physically.

Model: OVU400102/71
P/N: 5187-4593
VID_1934&PID_5168