i have windows 7 64bit. this has happened with 2 usb wireless adapters it usually happens when im on the internet using windows update or downloading a file. it then stops and freezes my computer forcing me to TRY to reboot my computer but it wont shut down forcing me to turn it off manually. help plzzz its a belkin usb wireless adapter... and the other is a Edimax 150mbps usb wireless adapter. all current drivers for my computer. everythings up to date. clean install of windows 7.