How to fix
KB5014019 fails to install
on Windows

Hello. I have been trying to install the latest update for Windows 11 but the process fails. What should I do?

Windows 11 was released by Microsoft at the end of 2021. People can enjoy an updated user interface, new design, and many other features. However, the newest version of the operating system did not come without any issues. Users regularly experience various bugs, errors, and crashes.

We previously wrote about problems like WiFi icon missing, clock and date missing, mouse cursor freezing or not responding above Windows 11 taskbar, and many others. Now users are running into issues with Windows updates. Specifically, many receive an error when trying to install the KB5014019[ref en-1] optional update. The error message reads as follows:

This update could not be installed, but you can try again (0x800f081f)

Optional updates are always labeled as "preview" on Windows. It is not necessary to install them as they are used to test non-security fixes, improvements, and new features. Additionally, those who managed to install KB5014019 experience major issues such as:

• Third-party security program protection features not working
• .NET Framework application bugs
• Taskbar icons missing

In this guide, you will find 6 steps that could help you fix KB5014019 fails to install on Windows issue. You will also find instructions on how to uninstall the update if it causes you problems. However, troubleshooting can be a lengthy process, so you can use a maintenance tool like [d1] that can fix various system errors, BSODs,[ref en-2] corrupted files, and registry[ref en-3] issues. Otherwise, follow the step-by-step instructions below carefully.

Method 1. Run Windows Update Troubleshooter

• Click the Windows button and select Settings
• Select System from the left pane, then scroll down on the right pane, and click on Troubleshoot

• Click on Other troubleshooters
• Locate the Windows Update troubleshooter and hit the Run button

Method 2. Restart Windows Services

• Type services in the search bar and launch the Services utility
• Find Windows Update in the list
• Double-click on it, set the Startup type to Automatic, and click Apply

• Now click on Restart the Service
• Do the same with Background Intelligent Transfer Service

Method 3. Use Microsoft Update Catalog

Whenever Windows updates fail to install automatically, you can always try doing it manually. First, you need to find out which KB number is relevant to you.

• Right-click Start button and pick Settings
• Go to Update & Security
• On the right, locate and click View update history
• From the list, note the KB number that fails to install with the error code
• Go to Microsoft Update Catalog page, type in the KB number and press Search
• Download the update and install it manually

Method 4. Reset Windows Update Components

• Open the Command Prompt as an Administrator
• Type the following commands one by one and press Enter after each:

net stop bits

net stop wuauserv

net stop cryptsvc

Del "%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat"

Ren %Systemroot%\SoftwareDistribution\DataStore DataStore.bak

Ren %Systemroot%\SoftwareDistribution\Download Download.bak

Ren %Systemroot%\System32\catroot2 catroot2.bak

sc.exe sdset bits D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)

sc.exe sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)

cd /d %windir%\system32

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

netsh winsock reset

net start bits

net start wuauserv

net start cryptsvc

• Wait for the process to finish and restart your PC

Method 5. Use Windows 11 Installation Assistant

• Download the Windows 11 Installation Assistant from the official Microsoft website
• Click on the downloaded file and follow the on-screen instructions

Method 6. Use Media Creation Tool

• Visit the official Microsoft website to download Windows 11 Installation Media
• Run the Media Creation Tool and select Create Installation Media for another PC
• Select ISO file
• Click Finish
• On the PC you wish to upgrade, press Windows + E to open the File Explorer
• Open the Removable drive and click Setup.exe

• Accept the license terms on the next screen
• Confirm the Upgrade options – Files, apps and Settings are kept
• Click Install, and the upgrade should start

How to uninstall the KB5014019 update?

If the installation of KB5014019 has caused you problems, you can try uninstalling it through your settings.

• In Settings, from the left sidebar, select Windows Update
• On the Windows Update page, click Update History

• From the Related Settings section, choose Uninstall Updates
• To remove an update, select it in the list and then click Uninstall
• Click Yes in the prompt to continue