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Best 5 Fixes for KB5029263 Not Installing on Windows 11

Quickly fix this problem by running the SFC and DISM scan

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KB numbers frequently identify updates on Windows 11, making it easier to Identify and handle system enhancements transparently and systematically. Updates are essential since they guarantee the system’s best efficiency, security, and stability. However, many users have complained that the KB5029263 is not installing properly on their Windows 11 devices.

The failure to install this update could be a serious issue because unpatched security flaws expose the system to hazards like malware attacks and data leaks. Several factors, including incompatibilities with pre-existing software, corrupt update files, network outages, or conflicts between system configurations, could cause this error. However, this guide will review some steps to resolve this problem quickly.

1. Run the Windows Update Troubleshooter

A built-in program called Windows Update Troubleshooter is intended to automatically identify and fix issues preventing updates from being installed. Even for people who are less familiar with PCs, it is a good starting point because it checks for problems and tries to remedy them.

  1. Press Windows + I to open the Settings app.
  2. Navigate to the System tab, then select Troubleshoot.
    KB5029263 not installing on Windows 11
  3. Select Other troubleshooters.
    KB5029263 not installing on Windows 11
  4. Now, locate the Windows Update option, and click the Run button.
  5. Follow other on-screen instructions to complete the process.

2. Run the SFC and DISM scan

The System File Checker (SFC) tool is a built-in Windows tool that scans for and repairs corrupted system files while the Deployment Image Servicing and Management (DISM) tool is a more advanced tool that can be used to fix corrupted system images.

Running these scans can help fix this error by repairing any corrupted system files or settings that are preventing Windows Update from working properly. Performing both scans is as follows.

  1. Press Windows + R to open the Run dialogue, type cmd in the text field, and hit Enter.
  2. Input the command below and hit Enter.
    sfc /scannow
    KB5029263 not installing on Windows 11
  3. Allow the scan to complete then input the following commands to run the DISM scan.
    DISM /Online /Cleanup-Image /CheckHealth
    DISM /Online /Cleanup-Image /ScanHealth
    DISM /Online /Cleanup-Image /RestoreHealth
  4. After running the scan, check to see if the problem has been resolved.

3. Clear the Update cache

An update cache is a temporary storage location for software updates. It is used to store updates that have been downloaded from the internet or from a local network. However, corrupt files in the update cache can occasionally make it impossible for an update to install. Clearing these files by letting Windows download new files can fix the problem.

  1. Press Windows + R to open the Run dialogue, type cmd in the text field, and hold Ctrl + Shift + Enter to open the command prompt as administrator.
  2. Input the following command and hit Enter after each one.
    net stop wuauserv
    rmdir %windir%\SoftwareDistribution /s /q
    net start wuauserv
  3. Finally, reboot your device to implement these commands.

4. Reset Windows Update components

The Windows update components refer to a set of system files and services responsible for downloading, managing, and installing Windows updates. Any underlying problems causing the update to fail can be resolved simply by resetting the Windows update components.

  1. Press Windows + R to open the Run dialogue, type cmd in the text field, and hold Ctrl + Shift + Enter to open the command prompt as administrator.
  2. Enter each of the following commands one at a time to stop the BITS, Cryptographic, and Windows Update services.
    net stop bits
    net stop wuauserv
    net stop cryptsvc
    net stop msiserver

    KB5029263 not installing on Windows 11
  3. Input the command below to delete the qmgr* .dat files and press Enter.
    Del "%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat"
  4. Next, input the command below and press Enter.
    cd /d %windir%\system32
  5. Copy & paste the following commands one at a time, pressing Enter after each command to reregister the BITS & Windows Update files.
    regsvr32.exe atl.dll
    regsvr32.exe urlmon.dll
    regsvr32.exe mshtml.dll
    regsvr32.exe shdocvw.dll
    regsvr32.exe browseui.dll
    regsvr32.exe jscript.dll
    regsvr32.exe vbscript.dll
    regsvr32.exe scrrun.dll
    regsvr32.exe msxml.dll
    regsvr32.exe msxml3.dll
    regsvr32.exe msxml6.dll
    regsvr32.exe actxprxy.dll
    regsvr32.exe softpub.dll
    regsvr32.exe wintrust.dll
    regsvr32.exe dssenh.dll
    regsvr32.exe rsaenh.dll
    regsvr32.exe gpkcsp.dll
    regsvr32.exe sccbase.dll
    regsvr32.exe slbcsp.dll
    regsvr32.exe cryptdlg.dll
    regsvr32.exe oleaut32.dll
    regsvr32.exe ole32.dll
    regsvr32.exe shell32.dll
    regsvr32.exe initpki.dll
    regsvr32.exe wuapi.dll
    regsvr32.exe wuaueng.dll
    regsvr32.exe wuaueng1.dll
    regsvr32.exe wucltui.dll
    regsvr32.exe wups.dll
    regsvr32.exe wups2.dll
    regsvr32.exe wuweb.dll
    regsvr32.exe qmgr.dll
    regsvr32.exe qmgrprxy.dll
    regsvr32.exe wucltux.dll
    regsvr32.exe muweb.dll
    regsvr32.exe wuwebv.dll
  6. Input the command below to reset Winsock and hit Enter.
    netsh winsock reset
  7. Restart the BITS, Cryptographic & Windows Update services by pasting the commands below and hit Enter after each one.
    net start bits
    net start wuauserv
    net start cryptsvc
    net start msiserver

  8. Finally, restart your device once the commands are executed.

5. Carry out a clean boot

A Clean Boot launches Windows with the bare minimum of drivers and services, which can assist in determining whether any third-party programs are the root of the problem.

  1. Press Windows + R to open the Run dialogue, type msconfig in the text field, and hit Enter.
  2. Navigate to the Services tab, tick the Hide all Microsoft services box, and select the Disable all button.
    KB5029263 not installing on Windows 11
  3. Navigate to the Startup tab and choose the Open Task Manager link.
  4. Select each enabled item in Task Manager, then click Disable in the top right corner of the window.
    KB5029263 not installing on Windows 11
  5. Return to the System Configuration window, select Apply, and OK.
  6. On the next window, click Restart.

Final Thoughts

In this guide, we have covered some basic ways to troubleshoot errors with KB5029263 not installing on Windows 11. These steps will help you resolve this problem if you follow them carefully. For further questions, talk to us via the comment section below.

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David Ogbor
David is a tech guru with extensive knowledge in technical articles. He is passionate about writing and presents technical articles in an easy-to-understand format for easy comprehension. He aims to present easy solutions for day-to-day problems encountered while using PC. In his spare time, he likes traveling, playing sports, and singing.