Media software will usually use the HPET for various things; software that isn’t designed to handle the fault will cause a memory leak waiting for the register to update but it never does
Maybe on a rig that is strictly games only but be aware, disabling HPET WILL cause issues with the OS
Try posting this over in the tech support forums as you may get some really good help there as there are some pretty tech savvy people who are there that help a lot of people out with many issues.
I posted over there a couple of days ago myself when this happened. GENERALLY the Blizzard team responds quickly. I dont know where they are at, AT ALL. It’s like NOBODY is even online.
I mean normally I report TOXIC players in the late evening and early morning. I receive the “THANK YOU FOR CONTRIBUTING” etc etc message. Not lately…