Windows Update Error 0x80243FFF: How To Fix

how to fix Windows Update Error 0x80243FFF

Do you face trouble while updating your device’s Windows? If yes, then it’s probably Windows Update Error 0x80243FFF. This update error occurs when an unexpected system shutdown occurs, malware, corrupted system files, or faulty hardware. 

Incorrect system configuration can also cause this error, and if the Windows service is incorrectly set up, it usually creates issues while installing updates.  When any of these reasons happen in your PC, Windows continuously fails to search for Updates or install them.

Keep reading this article to know the best fixes for] resolving this issue.

How to Fix Windows Update Error 0x80243FFF

If your Windows keeps showing the Windows Update Error 0x80243FFF error, this issue can be fixed if you follow some easy tips. But before trying any complicated method, try these easy and quick steps and see if they can resolve the issue-

  • Restart your computer
  • Uninstall all recently installed third-party antivirus software from your PC
  • Make sure to have a stable internet connection.

1. Clear Windows Update Cache:

Corrupted or outdated update files in the Windows Update cache can cause the error 0x80243FFF. Clearing the cache might help resolve the issue. Here’s how you can do it:

  1. Press Win + R keys to open the Run dialog box.
  2. To open the Services window, type the following command and press Enter: services.msc
    openning service window Windows 11
  3. Locate the Windows Update service by scrolling down.
  4. From the context menu, right-click Windows Update and click on Stop.
    selecting stop on windows update service
  5. Open File Explorer after minimizing the Services window.
  6. Go to the following location: C:\Windows\SoftwareDistribution
    software distribution folder location
  7. Remove everything from the SoftwareDistribution folder, including all files and directories.
  8. Go back to the Services window, right-click on Windows Update, and then click on Start to restart the service.
    selecting start on windows update service

To learn more, how to reset the SoftwareDistribution folder.

2. Run Windows Update Troubleshooter

There is a built-in troubleshooter in Windows which can diagnose and resolve common update errors. Follow these steps to run the Windows Update Troubleshooter:

1. Press the Win + I  keys to open Settings.

2. From the left-hand menu, click System and choose Troubleshoot.
going troubleshoot windows 11 settings

3. Click on Other troubleshooters.
going other troubleshooters windows 11 settings

4. Locate and choose Windows Update from the list of troubleshooters.

5. Select Run the troubleshooter and follow the on-screen instructions to complete the troubleshooting.
running windows update troubleshooter

Now, see if it works.

3. Reset Windows Update Components

You can reset Windows Update components to aid with various update-related problems.

Follow these steps to reset the components:

  1. Right-click on the Windows logo and select the Terminal (Admin).opening terminal as admin windows 11
  2. Using Enter after each command, enter the following commands one at a time into the Command Prompt window:

net stop wuauserv
net stop terminal command

net stop bits
net stop bits terminal

net stop cryptsvc
net stop cryptsvc terminal

rmdir /s C:\Windows\SoftwareDistribution
rmdir sowtware distribution terminal

rmdir /s C:\Windows\System32\Catroot2
rmdir catroot 2 terminal

net start wuauserv
net start terminal command

net start bits
net start bits terminal

net start cryptsvc
net start cryptsvc terminal

4. After entering the command, restart your computer to get the result.

4. Disable Proxy Settings:

Your system’s proxy settings may occasionally obstruct the Windows update procedure. Disabling it may help resolve the error. Here’s how:

1. Open the Settings app like before.

2. Go to Network & Internet and select Proxy from the right-hand menu.
going to proxy in settings windows 11

3. Turn off the Use a Proxy server switch under the Manual proxy setup section.
turning off proxy in windows 11

4. Restart your computer and try to update your Windows again.

5. Check the responsible services

Certain services need to run properly for a successful Windows update. If you see the services running, restart them and see if it fixes the issue.

  1. Open the Run dialog box like before.
  2. To open the Services window, type the following command and press Enter: services.msc
    openning service window Windows 11
  3. Search for BITS or Background Intelligent Transfer Service.
  4. If it’s already running, use the right-click menu to restart it.
  5.  If the service is inactive, double-click it and select Automatic from the drop-down menu next to the Startup type.
    startup automatic background intelligent service
  6. Click on OK>Apply>Start.
  7. Use the Windows Update, Cryptographic, and Windows Installer services similarly.

6. Install The Update Manually

Updating manually  can also be a way to fix the issue-

  1. Go to the Settings app like before.
  2. Then go to Windows Update and select Update History.
    going update history windows 11 settings
  3. Find the update that failed with the 0x80243FFF error and copy its KB number.
    update kb number windows 11
  4. Visit the Microsoft Update Catalogue on your browser after opening it.
  5. Enter the KB number in the search bar and hit the Search button.
    microsoft update catalogue website
  6. Locate the appropriate update version for your operating system (right-click on Start and select System). 
  7. Click Download after checking the System type under Device Specifications.
  8. Follow the on-screen instructions to complete the installation procedure and restart your computer.

Extra Steps:

  • Run a SFC/DISM Scan
  • Seek professional help

We hope you can now easily eliminate the Windows Update Error 0x80243FFF error by following the above-mentioned methods. You only have to follow the steps carefully, and if they still don’t resolve the issue, seek expert help.

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