Fix: Windows 11 Update Kb5027303 Not Installing/Downloading

Fix Windows 11 Update Kb5027303 Not Installing Downloading

We had a client last week who had this issue. He tried to install this update from Windows Updates, but couldn’t do so as there was an issue with the cache database. We attempted to fix the issue by clearing the cache as in #2 of the list of fixes!

In this article, you’ll learn why the update is important and how to fix it if it’s not downloading or installing correctly.

If you are having trouble downloading or installing KB5027303, check your network connection and ensure your firewall isn’t blocking downloads from Microsoft servers.

If after all of this, you’re still unable to download/install KB5027303 successfully, contact our PC technicians for assistance as they may be able to help resolve any further issues you come across.

How to Fix KB5027303 Not Installing/Downloading On Your Computer?

If you’re having difficulty getting Windows 11 Update KB5027303 to install or download, there are a few different methods you can try.

First, run the Windows Update Troubleshooter and clear the Windows Update Database Cache.

Then, restart the Windows Update Services and run an SFC Scan.

Lastly, if all else fails, consider uninstalling any third-party antivirus programs that may be blocking the installation process.

All of these steps should help get your update installed or downloaded successfully!

#1. Run Windows Update Troubleshooter

Here’s how:

  • Open Settings by pressing Win + I.
  • Go to System.
  • Click Troubleshoot > Other troubleshooters.
  • Locate Windows Update and run it.
  • Follow the on-screen instructions if any issues are detected.

You can use this tool to address any update issues you may be experiencing with Windows 11. It’s a fast and easy way to get your system back up and running quickly.

#2. Clear The Windows Update Database Cache

To do this, press Win + E to open File Explorer and navigate to C:\Windows\SoftwareDistributionDownload.

Select all files and folders in that directory, then delete them.

After that, check for updates again and see if you can download and install KB5027303.

#3. Restart The Update Services

To do this, follow these steps:

  1. Open up the Services app by typing ‘services’ into the search box and pressing Enter.
  2. Locate Windows Update and double-click on it to open the Properties tab.
  3. If it isn’t running, click Start and set its Startup type to Automatic.
  4. Be sure to do this for Background Intelligent Transfer Services (BITS), Cryptographic Services, and Application Identity as well.

#4. Run an SFC / DISM Scan

To do this, open a Command Prompt window with administrative privileges and type in ‘sfc /scannow.’

If you find that the scan is stuck at any point, try using one of several solutions available online.

Once the scan is complete, restart your device and then attempt to install the update again.

If you still have difficulty getting the update to install after trying these steps, open another Command Prompt window with administrative privileges.

Enter ‘dism /online /cleanup-image /checkhealth,’ followed by ‘dism /online /cleanup-image /scanhealth’ and finally ‘dism /online/cleanup-image/restorehealth.’

#5. Uninstall Any Third-Party Antivirus Programs

If your Windows 11 update is not downloading or installing, it could be due to interference from antivirus software.

To fix this issue, go to Control Panel > Uninstall a program and right-click the third-party antivirus you have installed.

Choose ‘Uninstall’ and follow the instructions on the screen.

This should resolve any issues with downloading and/or installing KB5027303.

Remember that uninstalling an antivirus will leave your computer vulnerable, so always make sure you have some form of protection in place afterwards.

#5. Install KB5027303 via Microsoft Update Catalog

First, ensure that scripting is enabled on your computer. To do so, modify your security settings to allow ActiveX controls and active scripting.

Additionally, add the website addresses http://*, https://*, and to your Trusted Sites list and uncheck ‘Require server verification (https:) for all sites in the zone’ if necessary.

Then search for the update using terms in the search box or visit the FAQ section for more tips on searching efficiently!

Add KB5027303 to your basket and manage updates there before downloading them onto your computer – easy as that!

Frequently Asked Questions

What are the minimum system requirements to run the Windows 11 KB5027303 update?

To ensure your system is compatible with the Windows 11 kb5027303 update, you’ll need to meet certain minimum requirements.

First and foremost, your computer must be running Windows 10 April 2018 Update or later.

Additionally, you must have a 64-bit processor and at least 1 GB of RAM (2 GB recommended).

Your hard drive should also have at least 4GB of free space available for the update.

Finally, you should check that any third-party antivirus software is up-to-date before installing the update.

Having met these prerequisites, you can proceed to download and install the update with confidence!

Are there any known compatibility issues with KB5027303?

You may want to consider potential compatibility issues when attempting to install the Windows 11 KB5027303 update.

Be sure your computer meets the minimum system requirements for the update, as well as any other updates preceding it.

Additionally, check if there are any known compatibility issues with your hardware or software.

If you find that an issue exists, you may need to upgrade or update those devices to successfully install and use the KB5027303 update.


I am a computer engineer holding a bachelor's degree in Computer Science, complemented by a Master's in Business Administration from University of Strathclyde, Scotland. I currently work as a Senior IT Consultant in Melbourne, Australia. With over 15 years of...