MSI Center in the Microsoft Store has been updated to 2.0.13.0. I decided to do a reformat and fresh installation of Windows 11 and used MSI Center from the Microsoft Store to test again. The same issue still persists for me - I am unable to control the system fans using either Frozr AI or User Scenario. GPU fan control still seems to be OK for me though. The last working version for me was 2.0.10.0, but Mystic Light was unable to successfully install with that version 