From the Microsoft site: How to
troubleshoot unknown devices that are listed in Device Manager in
Windows XP
My method is easier.
Do not remove the yello blop marked device the second time around. If there
is reason the think it hurts something. it may be possible to disable
the device. If everything else seems OK, most likely there is something
about your computer that Windows can not ID properly. So that is my
short answer. The MS long answer is in the link above.