Some Registry Rectiction and Protect Yours

Restricting Desktop Properties
Go to following key:
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\System
Create new DWORD NoDispCPL and set its value to 1
If you want to restrict any particular tab in Desktop Properties like Themes, Screen Saver, etc, you can take help of following tutorial:
How to Enable / Disable Changing Themes, Wallpapers, Screen Savers and Other Settings

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Restricting Folder Options
Go to following key:
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer
Create new DWORD NoFolderOptions and set its value to 1

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Restricting Control Panel
Go to following key:
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer
Create new DWORD NoControlPanel and set its value to 1