10 Best Fixes: How to fix high disk usage of WaasMedic Agent Exe (100 % CPU)?

7. Solution disk and CPU to 100 Windows 10 by StorAHCI.sys

The 100% hard drive usage problem in Windows 10 is associated, in some cases, with Advanced Host Controller Interface PCI-Express (AHCI PCIe) devices which are run with the StorAHCI.sys driver from the tray. input due to a firmware failure.

Step 1

To correct this, we will access the Device Manager using one of the following options:

Step 2

In the displayed window we go to the section “ATA / ATAPI IDE Controllers” and we will see the following:

Step 3

There we double click on the option “Standard SATA AHCI Controller” and in the window that will be displayed we go to the “Controller” tab:

Step 4

We click on the button “Controller details” where we will see the following:

Step 5

If we see “storahci.sysn” in the System32 path it means that we are running the AHCI driver.
We close this window and now we go to the “Details” tab and in the Property field we select the option “Path to device instance”:

Step 6

We take note of the route that begins with VEN. Now, we use the following key combination and execute the regedit command, press Enter and in the registry editor window we will go to the following path:

+ R

HKEY_LOCAL_MACHINESystemCurrentControlSetEnumPCI”Ruta VEN del controlador”Device ParametersInterrupt ManagementMessageSignaledInterruptProperties

Paso 7

We will double click on the value “MSISupported” and set its value to zero 0. We click on OK and we can exit the registry editor.