How to Replace the Windows XP USB Storage Driver Usbstor.sys

Written by dave wilson
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How to Replace the Windows XP USB Storage Driver Usbstor.sys
Replace the usbstor.sys driver on Windows XP. (usb storage device image by Francois du Plessis from

If the Windows XP USB storage driver becomes corrupt for any reason, USB storage devices will fail to work correctly and Windows XP may not recognise the USB ports on the computer. This issue can be resolved quickly by performing a simple procedure that will replace the usbstor.sys driver.

Skill level:

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Things you need

  • USB key or drive

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  1. 1

    Plug a USB key or drive into the computer.

  2. 2

    Click the "Start" button, then right-click "My Computer" and click "Manage," and then click "Device Manager" in the window that appears.

  3. 3

    Right-click on a USB mass storage device in the list and click "Uninstall."

  4. 4

    Remove the USB key or drive. Reboot the computer. The "usbstor.sys" driver will be automatically replaced with a fresh copy from the Windows XP driver cache.

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