How to Fix Windows Stop Error 0x800705b4

In this tutorial, we will teach you how to fix the Blue Screen of Death Stop Error 0x800705b4.
The Error “0x800705b4” occurs when you start the windows defender but it couldn’t start.


Step 1 – Open Control Panel

First of all, go to the start menu and open the Control Panel.

Go to Control Panel

Step 2 – Open Windows Defender

In the Control Panel window, open Windows Defender.

Go to Windows Defender

Step 3 – View Error

As a result, the Windows Defender will open up. Over there, click on the Start now button. A pop-up error window will appear and will show the error: “This operation returned because the timeout period expired”. The error code will be 0x800705b4.

View Windows Defender Error

Step 4 – Go to Services.msc

Now let’s troubleshoot the problem. Open the start menu and in the search bar, type services.msc and hit enter.

Open Services

Step 5 – Open Windows Defender service’s properties

In the services window, right click on the Windows Defender service and open its properties.

Open the properties of the service

Step 6 – Change the startup type to automatic

As a result, the Windows Defender Properties will open up. Over there, change the startup type and set it to Automatic. Click on the apply button and then click on Start in order to start the service. Once you are done, close all the open windows.

Start the service

Step 7 – Error resolved

Now go back to the Control Panel and click on Windows Defender.
You will notice that the Windows Defender has started and you have successfully resolved the blue screen of death stop error 0x800705b4.

No error will be displayed when you’ll open Windows Defender