Friday, 27 June 2014

Disable / Restrict Use of USB Storage Devices in Windows?

If the USB storage device is not installed in system:

1. Type %windir%\inf in Explorer addressbar or RUN dialog box and press Enter. It'll open "inf" folder.

2. Now look for following 2 files:

3. Now you have to change their user permissions setting. Do as following for each file:

Right-click on the file and select "Properties". Go to "Security" tab and select the desired user or group in "Group or user names" list which you want to restrict from using USB drives. Now in "Permissions for Users" list, click on "Deny" checkbox next to "Full control" option and then click on OK.

In Windows Vista, you'll have to click on "Edit" button after selecting the user or group in "Group or user names" list and then again select the same user or group in new dialog box. Now you can click on "Deny" checkbox.

That's it

If the USB storage device is already installed in system:

1. Type regedit in RUN dialog box and press Enter. Now go to:


2. In right-side pane, change value of "Start" to 4

3. Now whenever a user will attach a USB storage device which is already installed in system, Windows will not detect it and it'll not be shown in My Computer.


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