It just means you didn't install some driver for the PCI Modem AKA PCI communication device. Microsoft doesn't do this for you.
Bob
Also my System Device chart has the mouse with the
yellow exclamation mark along with the PCI communication device. Yellow and black(insert) exclamation marks. NOt good HUH?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic