Intel XTU settings not applying.

I'm trying to use Intel XTU to overclock my Intel HD 4000, but when I enable processor graphics overclocking, tune the options, and press APPLY

, the setting for processor graphics overclocking just switches back to 'disable'.

When I mouse over the , it says: Processor Graphics overclocking:

                                                         Default:disable

                                                         Active:disable

                                                         Proposed:disable