The subject problem occurs because the users do NOT have access to the HKEY_CLASSES_ROOT\CLSID registry key.
To resolve the program:
1. Use Regedt32.exe to navigate to HKEY_CLASSES_ROOT\CLSID.
2. Select the CLSID sub-key.
3. Use the Security menu to press Permissions.
4. Grant the users or group at least Read permissions.
5. Exit the Registry Editor.