"USB Hardware Not Recognized by Windows"

Please help. I keep getting an error mssage "USB Hardware not Recognized by Windows" I believe i have tried it all. Uninstalled Itunes. Reinstalled Itunes.
Okay I just tried pluggin it in as I typed this and it worked. The only thing I did diffrent was I unplugged my External Back-up drive.
Is this Common? Can anyone help explain this to me?

I have a combo floppy drive/USB 2.0 card reader and I believe I have the same problem.
I'm not over-clocking and while USB shows up in WinXP in device manager the card reader is not recognized by the system even though I KNOW I have it connected correctly.  The floppy works fine.
I believe the 4 USB ports on the mobo are non-functional but can't test it until Thursday sometime.
Hopefully this is correctable with a BIOs update.
Anyone else have issues with the USB ports on the mobo and if so, were you able to fix it?  How?

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