Fixing Windows 10 Update Error 0x800705b4


The Windows 10 error code 0x800705b4 refers to Windows Defender.

If the Windows Update service stops working properly, you may experience problems with files and services on your system. Thousands of Windows users struggle to install updates due to various bugs, including error code 0x800705b4, which says :

There were some problems installing the updates, but we will try again later. If you still see this and want to search the Internet or contact support, it can help: (0x800705b4)

Let us follow these steps, which should solve the problem.

Method 1: Disabling third-party antivirus software


If you have antivirus software and a third-party firewall, temporarily disable it and make sure the Windows firewall is enabled. Then check to see if the problem recurs.

Method 2: Force Start Window Defender Forced Start Window Defender Service


Press Windows + R and type services.msc, then press Enter.

  1. In the Services window, locate the Windows Defender service in the Services list.
  2. Check if the status has started. If the Status column is empty,
  3. Right-click the service and choose Start.
  4. If you receive an error when you try to start the Windows Defender service, try changing the boot type to Automatic, then restart your computer.
  5. Then you can download an update from Windows and check the problem.

Method 3 : Run Windows Update Troubleshooter


Windows Update Troubleshooter is a tool developed by Microsoft to automatically check and detect problems with the Windows Update Service. To activate it, follow these steps:

  1. Open Windows Search and enter Troubleshooting.
  2. Select Troubleshooting and click View All in the left pane.
  3. Select Windows Update and click Advanced.
  4. Select Run as administrator and click Next to continue.
  5. Now, the Convenience Store should run an analysis and automatically correct the detected problems.

Method 4: Soft Restart


Sometimes the simplest solution is the best, and many users have reported that they have solved the problem simply by a gradual reboot. Sometimes there may be a specific error that prevents the installation of the update, but you can solve the problem simply by rebooting your system.

To perform a soft restart, simply open the Start menu and select the Restart option. After rebooting your PC, check if the problem persists.

These were our workarounds for this problem. If you have any questions or suggestions, please feel free to let us know in the comments.