How to Troubleshoot Windows Defender Error 0x800705b4 on Windows PC

The 0x800705b4 error is very annoying because it occurs on two different occasions. Some users reported getting the error when running a Windows Defender scan, and some users reported getting the error when installing the latest Windows update.

And once the error 0x800705b4 appears, it prevents users from performing tasks. So in this article, you will learn how to fix Windows Defender error 0x800705b4 in Windows 10 as well as its causes.

What causes Window Defender error 0x800705b4?

  • Operating system update error.
  • Damaged or corrupted Windows system files.
  • Windows update service is not configured to automatically update the system.
  • The error occurs due to an error in the registry.
  • Virus or malware attack.

How to fix Windows Defender error 0x800705b4?

sfc-command

Initiate the SFC tool

Press the Windows + X key and select Command Prompt (Admin). Then type the following at the command prompt and press Enter:=&0=&