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Fix Windows 11 and 10 Update Error 0x8024a21e

2024/11/21
PC Repair

Key Notes

  • Restart your PC to resolve the update error quickly.
  • Reset Windows Update components to fix corrupted cache issues.
  • Utilize the Windows Update Troubleshooter for automatic issue resolution.

A Comprehensive Guide to Resolving Windows Update Error 0x8024a21e

Encountering Windows Update Error 0x8024a21e can hinder your system’s performance and security updates. This guide provides actionable solutions to resolve this issue efficiently on your Windows 10 and Windows 11 systems.

Step-by-Step Solutions for Error 0x8024a21e

By implementing the following solutions, you will address the update error code 0x8024a21e effectively. It’s advisable to follow these steps in the order presented below for the best chance of resolution.

Step 1: Reset Windows Update Components

Faulty system components often cause Windows Update errors. Clearing cache folders can resolve such problems efficiently. To reset these components, follow these instructions:

  • Open the Command Prompt as an Administrator.
  • Stop essential update services by entering the following commands:

net stop wuauserv net stop cryptSvc net stop bits net stop msiserver

  • Once the services are halted, rename the cache folders:

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old ren C:\Windows\System32\catroot2 Catroot2.old

  • Restart the services with the commands below:

net start wuauserv net start cryptSvc net start bits net start msiserver

  • Type exit and press Enter to close Command Prompt.

Log back into your system and check if the error 0x8024a21e has been resolved.

Step 2: Configure Windows Update Services to Start Automatically

Ensure that Windows Update services are configured to start automatically, as misconfigurations may lead to update errors. Follow these steps:

  • Press Win + S to open the search bar and type CMD.
  • Right-click on the result and select Run as Administrator.
  • Execute the following commands one by one:

sc config bits start= auto

sc config cryptsvc start= auto

sc config trustedinstaller start= auto

sc config wuauserv start= auto

  • After executing these commands, restart your computer.

After logging in again, check if updates can now be downloaded and installed.

Step 3: Enable the BITS Service

The Background Intelligent Transfer Service (BITS) is critical for downloading updates. To enable it, follow these steps:

  • Open the Run dialog by pressing Win + R.
  • Type services.msc and hit Enter.
  • In the services list, find Background Intelligent Transfer Service.
  • Right-click and select Properties.

Set the Startup type to Automatic, enable it by clicking Start, then Apply, and OK.

Now, go to Settings and click on Check for Updates in:

Settings (Win + I) > Update & Security > Windows Update

Your Windows Update should work correctly now. If not, proceed to the next method.

Step 4: Manually Install Cumulative Updates

If you’re still facing the error, manually installing pending updates might help. Here’s how:

  • Navigate to Settings > Update & Security > Windows Update.
  • Click on View update history.
  • Note the cumulative update number that shows “ Failed to install ”.
  • Visit the Update Catalog site, enter the KB number, and press Enter.
  • Download the correct package according to your system architecture.
  • Then, double-click the downloaded .msu file to start the installation process.

Check if the installation completes successfully without encountering error 0x8024a21e.

Step 5: Utilize the Windows Update Troubleshooter

As a last resort, employ the built-in Windows Update Troubleshooter to detect and resolve issues. Here’s how to run it on Windows 11:

  • Press Win + X and select Settings.
  • Go to System > Troubleshoot > Other troubleshooters.
  • Find Windows Update and click Run.

Follow the prompts to allow the tool to check and fix any detected issues. Restart your PC afterward.

If you’re using Windows 10, the steps are slightly different. Open the settings and follow this path: Update & Security > Troubleshoot > Additional Troubleshooter.

Select Windows Update and click Run the troubleshooter, then follow the instructions provided.

You may need to restart again after applying any fixes.

Additional Tips

  • Always keep your system backed up before making significant changes.
  • Ensure you have enough disk space available for updates to install correctly.
  • Consider checking your internet connection and firewall settings if problems continue.

Summary

This guide offers a structured approach to resolving Windows Update Error 0x8024a21e through various methods, including resetting update components, configuring services correctly, enabling vital services, and using troubleshooting tools. By following these steps, you’ll restore your Windows system’s ability to receive updates seamlessly.

Conclusion

Dealing with Windows Update errors can be challenging, but with the right methods outlined in this guide, you’ll be able to fix error 0x8024a21e effectively. By implementing the solutions provided above, you can keep your system updated, secure, and operating smoothly.

FAQ (Frequently Asked Questions)

What causes the Windows Update error 0x8024a21e?

The error code 0x8024a21e usually arises from corrupted Windows Update components or issues with update services that are not starting correctly.

Can I fix this error by just restarting my computer?

Sometimes, a simple restart can resolve the issue, but if the error persists, further steps need to be taken as outlined in this guide.

Will the Windows Update troubleshooter fix all errors?

While the troubleshooter can fix many common update issues, it may not resolve every problem. In such cases, manual methods may be necessary.

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