Prevents users from changing the sound scheme. By default users can use the Sounds tab in the Sound Control Panel to add remove or change the system Sound Scheme. If you enable this setting none of the Sound Scheme settings can be changed by the user.
* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.