ovo kaže microsoft za taj tvoj error
Method 1: Disable Antivirus
Temporarily Disable Antivirus Software and Firewall on the computer and then proceed with performing the backup.
http://windows.microsoft.com/en-US/windows7/Disable-antivirus-software
Note: Make sure you turn-on the antivirus software and Windows Firewall later so that the computer is protected.
Method 2: Remove and reinstall all USB controllers
To remove and reinstall all USB controllers, follow these steps:
1. Click Start, click Run, type sysdm.cpl in the Open box, and then click OK.
2. Click the Hardware tab.
3. Click the Device Manager Button.
4. Expand Universal Serial Bus controllers.
5. Right-click every device under the Universal Serial Bus controllers node, and then click Uninstall to remove them one at a time.
6. Restart the computer, and then reinstall the USB controllers. Using latest version from the motherboard manufactures website
7. Plug in the removable USB storage device, and then test to make sure that the issue is resolved.
http://windows.microsoft.com/en-CA/windows-vista/Tips-for-solving-problems-with-USB-devices
Method 3: Turn on the Services
Please be ensure that the services that “Volume shadow copy” and the “Windows Backup service” is turned on and set to Automatic in Services Window.
How to go to Services Window?
a) Click on Start
b) Type “Services” and hit Enter.
Hope this information helps.
moje mišljenje je da je usb crko.
isprobaj neke druge usb stikove pa ako oni rade, tada nema potrebe za reistalacijom servisa, drivera itd. tada je s windowsima sve ok. ako ni oni nerade uradi po uputama s microsofta.
uglavnom sad bar usb drive nije skup.