usb disabling is not working in windows 7

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I need to disable the usb drive on windows 7 machine.
I have used the following registry key ..

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR

key name: start and set the value to 4.

Its working for windows xp machine, and its not working for windwos 7 machine.

Wat might be the reason???. Any group policy will prevent this.

I have tired after restating the machine also.

Posted 7-Aug-13 2:42am

@BangIndia

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Gautam Agrawal (Programming Expert) · Answer 1 · 2013-08-08T00:13:00

Solution 2

In Windows Vista and later version of Windows , the concept of UAC added that prevents users to change the system settings.

Writing into HKLM requires Admin privilege. so you have to set the admin privilege in your code for running application in Admin privilege mode.

Posted 8-Aug-13 0:13am

Gautam Agrawal (Programming Expert)

Comments

@BangIndia 8-Aug-13 6:16am

i have set the value..
There is no prob in the setting.

Gautam Agrawal (Programming Expert) 8-Aug-13 6:22am

If the value is set then there should be no problem in that. Additionally you can check
for the type of value . It should be REG_DWORD and once value is set then try to reconnect the device.

@BangIndia 8-Aug-13 6:29am

I have tried

Gautam Agrawal (Programming Expert) 8-Aug-13 6:32am

Is it 64 bit system ?

@BangIndia 8-Aug-13 6:36am

Yes.

Sergey Alexandrovich Kryukov · Answer 2 · 2013-08-07T03:41:00

Solution 1

Did you check this: http://www.sevenforums.com/tutorials/181611-usb-storage-device-enable-disable-connecting.html[^]?

—SA

Posted 7-Aug-13 3:41am

Sergey Alexandrovich Kryukov

Comments

@BangIndia 7-Aug-13 9:44am

This is what i have mentioned in the question itself.
Read my question properly

Sergey Alexandrovich Kryukov 7-Aug-13 9:48am

I did not see this reference in your question. I can only see now that the registry key is the same as in one of the answers. Sorry if my answer is redundant.
—SA

@BangIndia 7-Aug-13 9:49am

No Probs..