1]Go to control pannel
2]Go to System and Security
3]Go to Device Manager
4]Click Universal Serial Bus Controllers
5]Right click the USB
6]Click Uninstall
then Reboot computer while pendrive is inserted in USB
Then connect to the internet.
---------------------------------------------------------
When you connect to the internet if the said USB is empty
(i.e. no device is inserted in it) they install the device
eventhough the device is not present, causing the said error.
-----------------------------------------------------------
Suggession :-Windows ahould not allow to install a device if the said device is not connected.