Hi, i extra register here because i also was searching for a solution (sorry for my bad english).
I hope that i have understand the problem correct.
I think, i found the solution in the Dexpot-Forum (i use Dexpot and first i thought it is a Dexpot Problem)
In this Forum the user paracanary wrote here
I also changed in regedit HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters "EnablePrefetcher" from 3 to 0 (i use a SSD)
My problem is solved. Hope it helps you.
Greetings