You may encounter all kinds of issues when trying to update your operating system. If you fail to update your Windows 10 with error code 0x800f0845, follow this comprehensive guide on
to get rid of this error code and update your Windows smoothly.
0x800f0845 Windows 10 Update
As is known to all, you need to update your Windows regularly because the available updates may contain some new features or they have fixed some bugs and vulnerabilities in the previous Windows versions. However, the updating process might be interrupted or even fail due to some reasons. In this guide, we will discuss one error code you might receive when attempting to updating your Windows - Windows Update error 0x800f0845.
Before starting troubleshooting, you need to figure out the responsible factors of error code 0x800f0845 and they are listed as follows:
Corrupted or missing system files
Damaged Windows Components and Services
The interference of antivirus software
How to Fix 0x800f0845 Windows 10 Update 20H2
Fix 1: Run Windows Update Troubleshooter
Since this error code is associated with Windows Update, you can take advantage of an inbuilt Windows Update troubleshooter utility to check and scan your computer. To run this tool, follow the steps below:
Step 1. Press
Step 2. Choose the
Update & Security
category from the settings menu.
Step 3. In the
Step 4. Scroll down to find
, hit it and click on
Run the troubleshooter
to start troubleshooting.
Step 5. If it detects a problem, hit
Apply this fix
and follow the on-screen instructions to fix it.
Fix 2: Perform SFC and DISM Scans
Damaged system files may contribute to Windows Update error 0x800f0845. In such a case, you can perform both SFC and DISM scans in quick succession so as to maximize the chance of fixing the 0x800f0845 update error. The combination of the two tools will allow you to scan and replace the corrupted system files with a cached copy.
Step 1. Type
in the search bar and hit
to evoke the
Step 2. Type
Ctrl + Shift + Enter
altogether to open
with administrative rights.
Step 3. Type
to start the scanning process.
Step 4. Once the operation is done, reboot your computer to apply the changes.
Step 5. Launch
as an administrator and run the following commands line one by one.
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth
Step 6. After executing the commands above, reboot your computer and try to update it again to see if it goes well.
When running the SFC and DISM commands, don’t interrupt the operation because it might lead to logical errors on your HDD or SSD.
At times, your antivirus software may interfere with your activities when you attempt to update your system. You can disable it for a while and then reboot your computer to see if you can update your Windows successfully.
Step 1. Right-click on the empty space in the
Step 2. Go to the
tab to find your antivirus software and right-click on it to choose
Step 3. Reboot your computer to see if Windows Update works properly.
Fix 7: Roll Back Windows 10 Update
Usually, Windows 10 installs the updates automatically when your operating system boots up. If Windows Update error 0x800f0845 still persists, you can consider rolling back your update to the previous operating system installation.
Step 1. Type
in the search bar to locate
and right-click on it to choose
Run as administrator
Step 2. Copy & paste the following commands into the Command Prompt window and then hit
If none of the solutions above helps you to fix Windows 10 Update error 0x800f0845, you can reset all the Windows components via a clean install. Performing a Windows 10 clean install will delete all the files, settings, and applications on your computer, so you had better back up your data beforehand.
# Preparation: Back up Your Files Before Performing A Clean Install
As stated earlier, it is necessary to back up your files in advance to avoid losing the data stored on your PC. However, do you know how to create a file backup easily and safely? As a piece of
professional backup software
, MiniTool ShadowMaker makes it easy to back up your files on Windows devices. Here’s how to do it:
Step 1. Download MiniTool ShadowMaker for free and follow the installation wizard to install it on your Windows device.
Through this guide, we believe that you have succeeded in updating your Windows 10 without error code 0x800f0845. What’s more, it is essential to back up your files before proceeding with MiniTool ShadowMaker to create an extra layer of protection for your data.
If you have any questions or suggestions, don’t hesitate to tell us in the comment area below or send an email via
How do I fix error 0x800f0845?
Run Windows Update Troubleshooter
Perform SFC & DISM Scans
Reset Windows Update Components
Download Windows Update Manually
Utilize System Restore Point
Disable Antivirus Software
Roll Back Windows 10 Update
Perform a Clean Install
How do I force a 20H2 update?
You can force a 20H2 update in Windows 10 with these steps: go to
Update & Security
Check for updates
How do I unblock Windows Update Service?
edit group policy
in the search bar and hit
> go to
Local Computer Policy
> right-click on
Configure Automatic Updates
Remove Access to use all Windows Updates Feature
and save the changes.
How do I fix failed updates?
If you fail to update your Windows, you can try to reset your Windows Updates components, fix corrupted system files, disable your antivirus software temporarily, roll back your Windows 10 Update or perform an in-place upgrade.
Aurelie is a passionate soul who always enjoys researching & writing articles and solutions to help others. Her posts mainly cover topics related to games, data backup & recovery, file sync and so on. Apart from writing, her primary interests include reading novels and poems, travelling and listening to country music.