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Thank you very much for taking the time to reach the Intel® Communities Team.
You can not disable the Intel® HD Graphics Control Panel settings. The only way to achieve so will be to create different usernames in Windows* where they will not have administrative rights to perform any change.
Additionally, you can disable the tray icon by right-clicking your desktop > Intel® Graphics Control Settings > Options and support > Preferences > In the Tray Icon section click disable > Apply.