To resolve the issue about the Disk and CPU high usage, we suggest that you follow the steps below on how to modify the registry. Please take note that the method, or task contains steps that might cause serious problems if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully.
For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, kindly refer to the this article: How to back up and restore the registry in Windows.
Step 1:
Open Cortana and search for regedit then click Enter.
Step 2:
Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management in the editor.
S tep 3:
Look for ClearPageFileAtShutDown and change its value to 1.
Step 4:
Restart the computer and your CPU utilization should be back to normal.
Let us know how it goes.