Is it the USB controller itself or something you have plugged into the USB drive? Please list all components that you have plugged into a USB slot. Also, include a screenshot of Device Manager and the error. Finally, what BIOS version are you on? Gigabyte fixed some USB issues in the latest BIOS updates. You may want to install the latest.
System is GA-p55-ud4p rev.1 | i7 860 | 4gb g.skill eco memory | xfx 5700 series gpu | 4 HD's (WD aaks & SG 7200.11) | scythe cpu cooler | seasonic x750 gold PSU
In USB slots there are: Logitech Pro 9000 Camera (with software) | Xbox360 Wireless Controller (AUTO INSTALLED) | Logitech MX 3200 mouse & keyboard controller (with software)
--> Now that you mention it - it suggests I should try to find newer versions of the logitech software - it might not matter but if I recall they were big files and I haven't installed their software since Win7 came out.
I downloaded the @BIOS utility from GB and it lists my bios as f4 out of f1-f7.
I attempted to update it (turning off hyperthreading in the bios and turning off ZoneAlarm & Spybot-TeaTimer) and got errors from the autoupdate and trying to load from a thumb drive.
^ +1 to bilbat's advice. Don't use the @BIOS software.
Use the QFLASH utility available at start-up or from within BIOS when you enter BIOS during start-up. Read through the link bilbat provided. It's slightly easier then what they suggest. The USB stick doesn't have to be bootable. Just download the latest BIOS file, double-click it to run (it's self extracting) and put the extracted/unpacked files on your USB stick. Then follow the instruction for re-booting, getting into QFlash and finding the file on your USB stick.