Not this again...Make sure you have HPET disabled on BIOS and on windows.
There never was a shred of reasonable evidence this actually helps. Some people *claim* to get better results with HPET, some without it. That's about it.
Besides, I'm fairly sure Windows don't even use HPET by default, regardless of the BIOS setting (provided you even have it), you have to specifically enable it.
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