A. Using the registry editor (regedt32.exe)

  1. Highlight HKEY_USERS and Load Hive from the Registry menu.
  2. Browse to the users profile directory who you want to restrict the registry tools for and select NTUser.dat.
  3. When prompted for Key Name, input their UserID.
  4. Navigate to \Software\Microsoft\Windows\CurrentVersion\Policies.
  5. If no System sub-key exists, Add Key. Then Add Value of DisableRegistryTools (under the System key) using type REG_DWORD and set it to 1.
  6. Unload Hive from the Registry menu.