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=&

Troubleshooting Windows Defender error 0x800700AA – The service couldn’t be started

A corrupted system file may cause Windows Defender to fail to start automatically and display an error message with the following description:

Windows Defender
Service could not be started.
The requested resource is in use.
Error code: 0x800700aa.

A manual launch also has no effect. Read the steps below to fix Windows Defender error 0x800700aa.

What causes Windows Defender error 0x800700AA?

Damaged files in the system: This can happen to system files as well as any installed program. Conflicts arise that prevent us from using applications normally or even opening them, such as Windows Defender error 0x800700aa. read more

How to Troubleshoot the Windows Update Error 8000FFF

Error code 8000FFF appears when you try to access updates from Microsoft Update or Windows Update websites. You may see this error when you start an installation from the Control Panel.

If you want to fix this error, this article will help you do so. Let’s see how you can fix error code 8000FFF in Windows operating system.

What causes Windows Update error 8000FFF?

In most cases, this particular problem is caused by a bug that Microsoft has already fixed in Windows 7. To take advantage of this, simply run the Windows Update troubleshooter and apply the recommended fix. read more