One of the USB devices attached to this computer has malfunctioned, and windows does not recognize it...

ye error arahaa he .. jab bhi mein front usb port mein plug karta ho to ... or jab back ports mein to kuch bhi nahe ata bus nothing happens .,.. my couputer mein webcame ati hii nahy ,... mene dosre computer pe check kiya waha sahee chal rahi he webcame ... plaz expert memebers of it planet help me ...