How to Resolve Update Error 0x800f0845 in Windows 10

The latest update is released by Microsoft under the code KB4056892. This update is for Windows 10 Fall Creators Update users (to fix Meltdown and Spectre processor vulnerabilities).

However, several users have reported that they are unable to install Windows 10 update KB4056892 on their PCs and are getting an update error 0x800f0845.

This is another update that went wrong or has errors. If you can’t download and install the KB4056892 update on your Windows 10 system, it’s time to fix the error 0x800f0845 of the KB4056892 update on Windows 10.

In this article, you will get a list of solutions that will help you to fix Windows 10 update error 0x800f0845. But before we get to the fixes, let’s find out the factors responsible for this Windows 10 update error on your computer.

What is the cause of the update error 0x800f0845?

0x800f0845 error is actually caused by some kind of corruption of system files, you should try to identify and fix it using two built-in utilities – DISM and SFC. If that doesn’t help, you should consider a clean installation via onsite restore.

Another common cause that can cause this error is one or more Windows Update subcomponents that are stuck in a suspended state (they are not enabled or disabled). If this script applies, you may be able to resolve this issue by resetting all WU components involved in the update process.

According to the affected users, this particular problem (inability to install a certain Windows update with error code 0x800f0845) is often caused by corrupted system files that corrupt the WU (Windows Update) component.

How to solve the update error 0x800f0845?

Run the Windows Update Troubleshooter

A special tool to check for an error that affects the Windows Update utility is the Windows Update Troubleshooter. This troubleshooter software tool helps users solve any problem that occurs and makes it difficult to use the application. When you run the Troubleshooter, it displays all the problems occurring in the application and allows you to solve them. Below are the detailed steps to find the Windows Update Troubleshooter.

  1. First, click on the Start button. Once the Start menu is displayed, click the gear icon to go to the Settings app. Another quick way to open the Settings app is to press the Windows + I keys at the same time.
  2. Once you get to the Settings page, click the Update and Security icon. This icon is located at the bottom of the window.
  3. After clicking on the “Update and Security” icon, a page will open where you will click on the “Troubleshooting” option located on the left side of the window.
  4. After that, click on the Update option.
  5. When you click on the Update option, the Run Troubleshooter option will appear.
  6. After you click on the Run Troubleshooter option, the Troubleshooter will check for problems with the Windows Update utility.
  7. If there are important fixes that need to be applied, the Troubleshooter will prompt you to do so at the end of the analysis.
  8. If there are any fixes, click Apply to fix the problems.
  9. After the troubleshooting process is complete, refresh the system.

Resetting the WU using the update agent

  1. Open this link in your default browser and click the Download button associated with the file to download the Windows Update Reset Agent.
  2. After the download is complete, unzip the archive using a program like 7zip or Winzip.
  3. After extracting, double-click ResetWUEng.exe and click Yes when the User Account Control (UAC) window appears.
  4. Click Yes at the last prompt, wait for the process to complete, and then reboot your computer.
  5. After restarting your computer, try reinstalling the update that failed with error 0x800f0845 and see if the problem is resolved.

Using Application Services

Here we’ll look at how you can restart inactive or inaccessible services using the Services app.

  1. Navigate to the Start button and right-click on it. Select the “Run” option and click it. A dialog box will appear. You can also access the same dialog box by pressing the Windows + R keys.
  2. When the dialog box appears, type “Services.msc” and press Enter.
  3. After you press Enter, the Services application will launch.
  4. You will need to locate the following services:
    Intelligent Background Data Service
    Application Identity Service
    Encryption service
    Windows Update Service
  5. To find these services, right-click each service, select Properties, and click Stop. Select Startup Type from the drop-down menu, click Automatic, and then click OK.
  6. After completing the above step, try running the update.

Frequently Asked Questions

  1. Make sure you have enough memory on your device.
  2. Run the Windows update multiple times.
  3. Check for third-party drivers and download any updates.
  4. Turn off any additional hardware.
  5. Check for errors in the Device Manager.
  6. Uninstall third-party security programs.
  7. Fix hard drive errors.
  8. Perform a clean reboot in Windows.

Most of the affected users confirmed that Windows update error 0x800f0845 is due to corrupted files on the computer. And the best way to deal with corrupted system files is to run an SFC scan.

  1. For VM users: replace with a newer VM.
  2. Reboot and try running Windows Update again.
  3. Try using the Windows Update troubleshooter.
  4. Stop Updates.
  5. Delete the SoftwareDistribution directory.
  6. Download the latest feature update from Microsoft.
  7. Download cumulative quality/security updates.
  8. Run a check on your Windows system files.

  1. Press the Ctrl+Alt+Del key combination.
  2. Reboot your computer by pressing the reboot button or by shutting it down and turning it on.
  3. Start Windows in safe mode.
  4. Perform a system restore to undo the changes made so far due to incomplete installation of Windows updates.