How to Fix Windows 10 Update Error 0x800705B3

Recently some users encountered error code 0x800705b3 while trying to install the pending update on Windows 10 system. Furthermore, this problem has also been found with integrated webcam driver updates and the Bluetooth adapter driver updates. There might be different reasons to occur this issue but some of them like corrupted system files, disabled Windows Installer service are the major ones. 

If you’re also facing the same issue on your computer, then this post will help you fix it. In this article, we will see some reasonable causes and the most effective solutions that will help you fix the issue.

Windows 10 Update Error 0x800705B3

To Fix Windows 10 Update Error 0x800705B3, use the following methods –

1. Run the Windows Update Troubleshooter

There might be multiple solutions to fix this issue but some users reported that the problem got fixed after running the Windows Update Troubleshooter tool. So, here are the steps to do so –

  • Open Windows Settings using the Win+I keys.
  • Now navigate to Update & Security > Troubleshoot.
  • Go to the right side and click on Additional troubleshooters.
  • Under the Get up and running section, select Windows Update and hit Run the troubleshooter.
  • Wait for the process to complete and then follow the on-screen instructions.
  • At last, restart your computer and see if it fixed the error.

2. Run System File Checker 

System File Checker is a built-in utility that you use to scan corrupted and damaged system files. Considering corrupted system files as the main culprit to cause Error 0x800705B3, it is possible to resolve it by running the SFC tool. Here are the detailed steps to run SFC:


sfc /scannow
  • Here you might need to wait for a while until it completes the process.
  • Once it finishes, restart your system and check for the error.

3. Use the DISM tool

If the issue still persists then this solution requires you to run the DISM tool. It modifies the corrupted files and replaces them with the corrected ones. Follow the instructions given below to run DISM –

  • Right-click on Start and select Command Prompt (Admin) to open the Command Prompt as an administrator.
  • If you get an Admin prompt, click on the Yes button to continue.
  • Now type the following commands in the command prompt window and hit Enter after each one –


Dism.exe /online /cleanup-image /scanhealth
Dism.exe /online /cleanup-image /restorehealth
  • Once it executes the above commands line successfully, restart your computer and try to update your Windows.

4. Make sure the Windows Installer service is running

If you’re still facing the Error 0x800705B3 on your computer screen, chances are that your Windows Installer service is disabled or not working properly. Use the below steps to run the service –

  • Click on Start, type Services, and select the result from the top of the list.

How to Fix Windows 10 Update Error 0x800705B3

  • In the Services app, search for the Windows Installer service.
  • Once you find it, double-click on it to open the Properties window.
  • On the General tab, click on the Startup type drop-down menu and change it to Automatic. On some devices, this setting is greyed out and changes are not possible.

Make sure the Windows Installer service is running

  • Now go to the Service status section, and click on the Start button to start the service.
  • Click Apply and then select the OK button to apply the changes.

Once you complete the process, restart your device, and try to install the pending update on your computer.

5. Reset Windows Update components

If none of the above solutions worked, you might need to reset the Windows Update component to default, or to the point where there was no error.

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