How to fix the Windows 11 update error 0x800705aa

Matthew Adams
by Matthew Adams
Windows & Software Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things surrounding it. He is passionate about... Read more
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  • Error 0x800705aa can arise because of corrupted Windows Update components and system files, limited hard drive space, and even incorrect time settings.
  • When Windows can’t install updates, you might need to repair or reset Windows Update components.
  • Correcting time and date settings might fix the error 0x800705aa in no time.
  • Both Windows 11 and 10 include built-in tools and troubleshooters that can feasibly solve this issue for good.
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Error 0x800705aa is another of those not entirely uncommon Windows update issues. However, numerous users have posted on Microsoft’s forum about the 0x800705aa error. That issue can arise in both Windows 11 and Windows 10 operating systems.

The 0x800705aa error can arise for both cumulative (patch) and build (feature) Windows updates. When this happens, users see an install error message with 0x800705aa codes in Settings’ Windows Update tab like the one directly below:

The 0x800705aa error 0x800705aa

Consequently, the Windows Update service doesn’t download and install updates because of error 0x800705aa. However, you can feasibly resolve it with the potential fixes below but not before understanding more about the actual causes.

What are the causes for the 0x800705aa error?

The causes for this error are pretty similar to those for numerous other Windows update issues. These are some of the more likely aspects to keep in mind:

  • Incorrect time and date settings: Windows update issues can arise because time and date settings are configured right on users’ PCs
  • Corrupted system files: Error 0x800705aa can be due to corrupted system files
  • Broken Windows Update component: This issue might arise because of corrupted Windows Update components
  • Conflicting programs: Software conflicts are another potential factor behind the 0x800705aa error
  • Limited hard drive space: This issue can also occur because your PC’s hard drive has little storage space left

As there are various potential reasons behind the 0x800705aa error, there are numerous possible fixes for it. To solve it right away, try applying these potential resolutions.

How can I fix the error 0x800705aa in Windows 11?

1. Correct time & date settings in Windows

  1. Right-click the clock on the taskbar and select Adjust date and time.
    Adjust date and time 0x800705aa
  2. Toggle on the Set the time automatically option if it’s off.
    Set the time automatically option 0x800705aa
  3. Click Set the time zone automatically to turn on that option.
Note icon
NOTE
If the time on your PC’s clock changes after correcting time settings, your desktop or laptop might need a new CMOS battery.

2. Run the Windows Update troubleshooter

  1. First, press the Start button on your taskbar.
  2. Click Settings on the Start menu.
  3. Select Troubleshoot on the System tab.
    System tab 0x800705aa
  4. Click Other trouble-shooters in Settings.
  5. Press the Run button for the Windows Store Apps troubleshooter listed there.
    Run button 0x800705aa
  6. Thereafter, wait for the troubleshooter to detect why the Windows 11 Update installation has failed. If it makes any suggestions, apply the proposed resolutions.

3. Run a system file scan

  1. Press the magnifying glass button on the Windows 11 taskbar to bring up a search utility.
    The Search button 0x800705aa
  2. Type cmd in the search utility’s box.
  3. Click the Command Prompt’s Run as administrator option in the search tool.
  4. Next, input this Deployment Image Servicing command and hit Enter: DISM.exe /Online /Cleanup-image /Restorehealth
  5. Thereafter, type this System File Checker command within the Prompt’s window and press Return: sfc /scannow
    sfc /scannow command0x800705aa
  6. Wait for the SFC scan to complete before closing the Command Prompt.

4. Free up drive space

  1. Open the search tool in Windows by clicking its taskbar button.
  2. Type the keyword Disk Clean-up in the search text box.
    Disk Clean-up search 0x800705aa
  3. Select the Disk Clean-up tool to open a new window.
  4. Now select some file deletion options in the Disk Clean-up utility. Select all of them to free up some storage space.
    The Disk Clean-up tool 0x800705aa
  5. Press the OK button.
  6. Click the Delete Files button to confirm.
    Delete Files button 0x800705aa
  7. You can also clear up more free space by clicking the Clean up system files button. Repeat steps four to six to erase superfluous system files with Disk Clean-up.

Alternatively, users can free up disk space in Windows with third-party system maintenance software like CCleaner. Don’t hesitate to give it a try and rest assured that it protects your privacy and makes your PC faster.

Note icon
NOTE
There are other ways you can free up hard drive space in Windows without disk cleaner tools. Our list including the best methods to free up hard disk space provides further details. Even if the procedures are detailed for Windows 10, rest assured that you may apply them on the new OS too.

5. Fix Windows Update components

  1. Right-click Start and select the Run accessory shortcut.
    Run shortcut 0x800705aa
  2. To open the Services window, type in this command and press Enter: services.msc
  3. Next, right-click the Background Intelligent Transfer Service, Cryptographic Services, and Windows Update services and select their Stop options.
    Stop option 0x800705aa
  4. Now click File Explorer’s taskbar button.
    The File Explorer button 0x800705aa
  5. Open this folder path: C:\Windows
  6. Right-click the SoftwareDistribution folder and select Rename.
    The Rename option 0x800705aa
  7. Then enter sd.old as the new folder name.
  8. Thereafter, bring up this folder in File Explorer: C:\Windows\System32
  9. Right-click the catroot2 folder and select the Rename option.
    catroot2 folder 0x800705aa
  10. Input catroot2.old as the folder’s new title.
  11. Return to the Services window, and restart the Background Intelligent Transfer Service, Cryptographic Services, and Windows Update services by right-clicking them and selecting Start.
  12. Finally, click the Power and Restart options on your Start menu to reboot.

6. Clean-boot Windows

  1. Open Run as outlined in the first step of the previous resolution.
  2. Type this command in Run’s text box and click OK: msconfig
  3. Next, click the Selective Startup radio button on the general tab to select it if required.
    Selective startup radio button 0x800705aa
  4. Uncheck the Load startup items checkbox to deselect it.
  5. Make sure the Load system services checkbox is enabled.
  6. Click Services to open that tab.
  7. Deselect the checkbox for Hide all Microsoft services.
    The Hide all Microsoft services checkbox 0x800705aa
  8. Press the Disable all button to uncheck all the checkboxes for remaining third-party services.
  9. Click Apply and OK to save settings and close the System Configuration window.
  10. Select Restart on the dialog box that pops up.
    The Restart option 0x800705aa
  11. Try applying updates via Settings after clean-booting Windows to see if error 0x800705aa still arises.

7. Reset Windows

Note icon
NOTE
Resetting Windows 11 is the last resort resolution that’s akin to reinstalling the platform. You’ll need to reinstall any software that didn’t come preinstalled on your desktop or laptop after resetting Windows 11 and keep in mind that this solution is ideal for Windows 10 users too.

  1. First, open Settings from the Start menu.
  2. Select Recovery on the System tab.
  3. Click Reset PC to open that utility.
    Reset PC button 0x800705aa
  4. Select Keep my files in the Reset this PC window.
    The Reset this PC window 0x800705aa
  5. Click the Cloud reinstall option.
  6. Press the Next button to confirm.

Can I install updates without using the Windows Update service?

Yes, you can manually download and install updates even without the Windows Update service. The Microsoft Update Catalog includes a repository of Windows updates for download. This is how users can download updates from that website:

  1. Open the Microsoft Update Catalog website in a browser at your choice.
    Microsoft Update Catalog 0x800705aa
  2. Input a KB number for an update to download in the search box.
  3. Click the Download button for the update that matches your PC’s Windows platform version and system architecture.
    A Microsoft Update Catalog search 0x800705aa
  4. Then click the download link that opens to save the file.
  5. Open the folder that includes the downloaded update file.
  6. Click the Windows update file to install it.

If the error arises when you try to install a Windows version (feature) update via Settings, try updating the platform with the Media Creation Tool instead.

Who can I contact about error 0x800705aa?

Contact Microsoft’s support service for Windows if you still need more potential fixes for the 0x800705aa error. To do so, click Get support on the Contact Microsoft Support webpage. Thereafter, type a description for the error in the text box and click Get help, then Contact Support.

Microsoft’s community forum also helps many users fix Windows errors. To add a post about the error there, click the Ask a question option on the Windows forum. Then enter the details for the error in the text editor, and click the Submit button.

However, you might not need to contact Microsoft’s support service if you apply the Windows 11 resolutions above. Those will probably fix the problem for most users.

There are also a few other potential solutions for this issue that might work. Rolling Windows back to an earlier date with System Restore and uninstalling third-party antivirus utilities might help resolve error 0x800705aa.

Our Windows Update not working guide also includes some potential fixes for error 0x800705aa. So, check out that guide as well before contacting Microsoft’s support service and note that the fixes detailed there for Windows 10 may be applied by Windows 11 users too.

Things are no different for a similar error code 0xa00f4271. Corrupted driver files are often to blame but the solutions from our guide will most likely do the trick.

We’d like to hear more from you on this subject, so feel free to drop us a comment in the comments section below.

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