10 Best Ways to Fix Update KB5027303 Not Installing/Downloading on Windows 11

The KB5027303 update is a recent cumulative update for Windows 11 released by Microsoft. It contains security fixes and improvements to address bugs and issues in Windows 11. However, some users have reported problems with this update not installing or downloading properly on their Windows 11 devices.

In this article, we will discuss 10 potential solutions to fix the KB5027303 update not installing or downloading on your Windows 11 computer. Whether the update is stuck at 0% or gives error messages, these troubleshooting steps should help resolve the issue.

How to Fix Update KB5027303 Not Installing/Downloading on Windows 11

  1. Check for Error Messages

The first step is to check for any error messages that may appear when trying to install the KB5027303 update.

Open Windows Update in Settings app > Windows Update. Look for error codes like 0x80070002, 0x80073701, 0x800f0988 etc. Jot down the error message and code. This will give you an indication of what is causing the problem.

Some common error messages and their meaning are:

  • 0x80070002 – Indicates issues with Windows Update components.
  • 0x800F0922 – This means a problem with the downloaded files.
  • 0x80073701 – Suggest a problem with the Windows Update server.

Knowing the error code will help you troubleshoot the issue better.

  1. Run the Windows Update Troubleshooter

The built-in Windows Update Troubleshooter can diagnose and fix common issues with updates.

To run the troubleshooter:

  • Go to Settings > Update & Security > Troubleshoot.
  • Under Get up and running, select Windows Update and click Run the troubleshooter.
  • Restart your PC after the troubleshooter completes.
  • Check if the KB5027303 update installs now.

The troubleshooter will automatically detect and resolve issues like corrupted files, missing components, etc. which are blocking the update installation.

  1. Use the DISM Command

The DISM command in Powershell can help repair corrupt system files that may be causing update issues.

Follow these steps:

  • Open Powershell as Administrator.
  • Type the command:

DISM /Online /Cleanup-Image /RestoreHealth

  • Hit Enter and wait for the operation to complete.

DISM will scan Windows for corrupt files and replace them from a cache. This can fix the KB5027303 download getting blocked.

  1. Stop Windows Update Services

Sometimes background Windows Update services can interfere with installing updates. Stopping the services can help.

Press Win + R to open the Run box. Type services. msc and hit Enter.

Locate and open the following services:

  • Background Intelligent Transfer Service (BITS)
  • Cryptographic Services (CryptSvc)
  • Windows Update

Right-click each service and select Stop.

Now try installing the KB5027303 update.

Restart the services once done. Stopping services will temporarily prevent conflicts so the update can be installed properly.

  1. Clear the SoftwareDistribution Folder

The SoftwareDistribution folder contains temporary Windows Update files which can get corrupted over time.

Clearing this folder resets the Windows Update components and can resolve download issues.

To clear SoftwareDistribution:

  • Press Win + R and type %windir%
  • Go to the SoftwareDistribution folder.
  • Delete all files and folders present here.

Now try downloading the KB5027303 update again from Windows Update.

  1. Reset Windows Update Components

Resetting the Windows Update components reinstalls them afresh, fixing any corruption.

Here are the steps to reset Windows Update components:

  • Open Command Prompt as Admin.
  • Run the commands:

Copy code

net stop wuauserv

net stop cryptic

net stop bits

net stop msiserver

  • Once stopped, rename the SoftwareDistribution and Catroot2 folders:

Copy code

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old

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

  • Next, run the commands:

Copy code

net start wuauserv

net start cryptic

net start bits

net start msiserver

  • Restart your PC.

This will reinstall the Windows Update files and settings. Now check if the KB5027303 update can be installed.

  1. Perform an In-Place Upgrade

An in-place upgrade repairs Windows system files and settings while preserving your apps and data.

To do it:

  • Download the Media Creation Tool. Run it.
  • Select the Upgrade this PC option. Keep your files and apps.
  • Follow the on-screen instructions to complete the in-place upgrade.

This will upgrade Windows 11 to the latest version while retaining your data. The process can fix missing files or registry issues blocking the KB5027303 update installation.

  1. Clean Boot Your PC

Performing a clean boot isolates software conflicts so the update can be installed seamlessly.

Here are the steps to clean boot your PC:

  • Press Win + R and type msconfig. Go to the Services tab. Check Hide all Microsoft services and click Disable all.
  • Go to the Startup tab and click Open Task Manager. Select each startup app and click Disable.
  • Restart your PC. Your PC will now boot with minimum apps and services running.
  • Try installing the KB5027303 update now.
  • Once done, undo all the changes to enable services and start apps again.

Clean booting narrows down software conflicts so the update can be installed without issues.

  1. Check Your Internet Connection

Network issues like a poor internet connection can also prevent the KB5027303 update from downloading.

Follow these troubleshooting steps:

  • Reset your network adapter – go to Device Manager > Network adapters. Right-click your adapter and select Disable. Wait for a few seconds and Enable it again.
  • Restart your router and modem if needed.
  • Connect to a different network or try using mobile data.
  • Use a VPN or proxy server to change your network route.
  • Test your internet speed at SpeedTest to check for problems.
  • Contact your ISP if network issues persist.

Reliable internet connectivity is vital for Windows Updates downloads. Solve any network problems before trying to install KB5027303 again.

  1. Use the Media Creation Tool

If all else fails, the Media Creation Tool can be used to manually install the KB5027303 update.

Follow the steps below:

  • Download the Media Creation Tool.
  • Run the tool. Accept the terms and select Upgrade this PC.
  • On the next screen, click on the Edition dropdown > Change product key.
  • Enter the KB5027303 package key:


  • The tool will now install the standalone KB5027303 update.

Using the Media Creation Tool to install the update manually can resolve any downloading issues.


  1. What is KB5027303?
  2. KB5027303 is a cumulative monthly update for Windows 11 released in September 2022. It contains bug fixes, security enhancements, and improvements.
  3. Why is my KB5027303 update not installed?
  4. Common reasons include corrupted files, background app conflicts, Windows Update service glitches, network problems, etc. The solutions in this article can help troubleshoot and fix the issue.
  5. How can I manually download and install KB5027303?
  6. You can use the Media Creation Tool to manually download and install the standalone KB5027303 update on your PC. The update can also be downloaded from the Microsoft Update Catalog website.
  7. What should I do if the solutions don’t work?
  8. If the solutions don’t fix the KB5027303 no-install problem, try advanced troubleshooting steps like performing an SFC scan, DISM restore health, checking CBS logs, or repairing installing Windows 11. Contact Microsoft Support for further assistance.
  9. Where can I find more help with Windows Updates?
  10. You can visit Microsoft’s Windows Update troubleshooting guide for more detailed steps on fixing update errors. The Windows Update community forums are also a good place to find solutions from other users and experts.


KB5027303 is an important cumulative update for Windows 11 which enhances performance and security. If you face issues with this update failing to install or download, these 10 solutions should help get the update applied. Start with basic steps like checking error codes and using the Windows Update troubleshooter. For persistent problems, reset Windows Update components, perform an in-place upgrade, or use the Media Creation Tool. Following these steps systematically should resolve the KB5027303 no download or install issue. Keep your Windows 11 PC updated and running smoothly.

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