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Thursday, May 22, 2014

Disable USB Mass Storage Device in PC

Use the following registry hack to stop USB Mass Storage Device drivers from starting when the system boots up.

Run Registry Editor (regedit).
Navigate to the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor

In the right pane, double click on the Start value name.
Change the value data to 4 to disable the removable USB mass storage device drive access.
Disable USB Mass Storage Device Drive Access

To revert and re-enable the drive access for removable USB mass storage device driver, change back the value data for Start to its original default of 3.
The change will take effect immediately to block any USB mass storage device such as USB flash drive, USB key and portable harddisk from been used in the system, while still allowing hardware components to work properly via USB connection. The hack works in most Windows operating system such as Windows Vista, XP, Windows Server 2008, 2003 and 2000.


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