Hide the Local Drives of My Computer

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Go to run --->regedit

HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre nt Version\Policies\Explorer

Now in the right pane create a new DWORD item and name it as NoDrives.

Now modify it's value and set it to 3FFFFFF (Hexadecimal)

Now check My Computer...

try it on ur friend's computer