Disable ITBM
If the solution above can’t fix this “ITBM Driver Not Available” error, you can choose to disable the ITBM and check whether the error is fixed. The following steps are about how to disable ITBM.

Click the Search icon on the taskbar and input “task scheduler” on the search box.
Click Open on the right of the window to enter the Task Scheduler window.
Then click the Task Scheduler Library.
Search for the Intel Turbo Boost Max in the middle and right-click it.
Select Disable from the right-click menu.
Restart your computer and check whether the “ITBM Driver Not Available” error is fixed.

Hope This Works,
Peter