How to Fix Windows Defender Error Code 0x800704ec?

FIX: Windows Defender Error Code 0x800704ec

Enable the Windows Defender Services. Press Windows key + R keyboard shortcut.
Disable and uninstall all thirdparty antiviruses.
Modify the Group Policy.
Modify certain registries.
Install a better antivirus.

How do I Fix Windows Defender Error?

Click on the Start Menu and type Windows Security
Open the app and click Virus and security protection
Check for updates and install the latest version.
Restart Windows Defender and it should be working properly again.

What does 0x800704cf Mean?

The Error code 0x800704cf is mainly caused by incorrect settings of TCP/IP, malfunctioning network devices, and using a local user account to sign in. You can change adapter settings, reset TCP, or reinstall the network device to solve the issue on your Windows 10 PC.

How do I Fix Windows Defender Error Code 0x80070422?

Solution 1: Run an SFC scan.
Solution 2: Uninstall any and all thirdparty security programs.
Solution 3: Configure the Windows Defender service to start automatically .
Solution 4: Fix the problem using the Registry Editor.

Why is Microsoft Defender not Working?

Head over to the Settings and check Turn on real time protection. Another cause for Windows Defender to not work properly is incorrect time and date. In order to fix this, you need to check your time and date, and set it to correct value before trying to turn Windows Defender back on.