Slow SVP or "SVP Unable to Contact the Disk Controller" Due to Windows Defender Performance Issues

To check the version of Defender that is installed:

- Right click Command Prompt and select [Run as administrator].

- Enter following command:

powershell -command "Get-MpComputerStatus"

- The Check the output for AMEngineVersion:

   Example:

> AMEngineVersion                  : 1.1.19100.5

The above reflects that the affected 1.1.19100.5 is running.

- Or you can see Windows Defender’s Engine Version from Windows Defender’s Event Log.

   Example :

Log Name:      Microsoft-Windows-Windows Defender/Operational

Source:        Microsoft-Windows-Windows Defender

Date:          4/9/2022 9:21:06 PM

Event ID:      1150

Task Category: None

Level:         Information

Keywords:     

User:          SYSTEM

Computer:      SVP-PC

Description:

Endpoint Protection client is up and running in a healthy state.

     Platform version: 4.12.17007.18011

     Engine version: 1.1.19100.5

     Security intelligence version: 1.363.109.0

The line "Engine version" again reflects the version.

To update the Windows Defender Engine Version Manually:

- From the Start Menu Search Icon type in: "Virus & Threat Protection", and click Open.


-Under "Virus & Threat Protection Updates" Click "Check for Updates".

-Windows will attempt to download the latest updates from Microsoft or the Customers relay.  

Alternatively you can trigger an update using powershell:

- Right click Command Prompt and select [Run as administrator].

- Enter following command:

powershell -command "Update-MpSignature"

It is HIGHLY reccommended to reboot the SVP after the Defender Engine is updated to fully resolve the issued caused by the previous version of Defender Engine.