I used XTU a few weeks ago with my i9-9900K and now it doesn't work at all. Options have greyed out as seen here:
You can see that my processor is identified correctly here:
Help. Not that it will matter a whole lot since even when I could use the options it did literally nothing.
Running Windows 10 and the newest version of XTU.
Gigabyte Aorus Ultra Z390 Mobo