Everything You Need to Know About KB5021235: The Latest Windows Update


If you’re a Windows user, then you must have heard about the latest update KB5021235. This update promises to fix various issues and improve your system’s performance. However, it has also been surrounded by controversy due to reports of causing problems for some users. In this blog post, we’ll dive deep into everything you need to know about KB5021235 – from its risks and removal methods to what actions you should take if your computer is affected by it. Keep reading to stay informed and protect your PC!

What is KB5021235?

KB5021235 is a Windows update that was released on June 8, 2021. It is part of the monthly patch Tuesday releases from Microsoft and aims to address several vulnerabilities and issues in various Windows versions.

This update includes security fixes for components such as Windows App Platform and Frameworks, Windows Media, Windows Fundamentals, and more. Additionally, it provides improvements in the performance and reliability of your system.

KB5021235 has been made available for all supported versions of Windows operating systems including Server Core installations.

While this update is essential for keeping your system secure and running smoothly, there have also been reports of issues caused by KB5021235 after installation. These include errors with audio playback or recording devices, USB printers or cameras not working correctly, among others.

It’s always recommended to install updates as they become available but be aware of potential risks that may affect your computer’s functionality.

What are the risks of installing KB5021235?

Before installing any update, it’s important to understand the risks that come along with it. The KB5021235 Windows Update is no exception. While this update aims to fix vulnerabilities in the operating system, there are still potential risks associated with its installation.

One of the main concerns when installing KB5021235 is compatibility issues. Some users have reported problems with their hardware or software after installing this update. It’s important to check if your device and applications are compatible before proceeding with the installation.

Another risk is data loss or corruption during the updating process. Although rare, there have been instances where user data has been lost due to a failed installation of this update. To avoid such scenarios, always back up your files before installing any updates.

Security issues may also arise after installing KB5021235 as it can potentially open up new vulnerabilities in your system. Hackers may take advantage of these weaknesses and exploit them for malicious purposes such as stealing sensitive data from your computer.

In summary, while KB5021235 aims to improve security features on Windows OS devices, there are still some potential risks involved which should be carefully considered before proceeding with an upgrade/installation. It’s crucial that you weigh these risks against the benefits of updating and decide accordingly based on what suits your specific needs best

How to remove KB5021235

If you think that KB5021235 has caused issues on your computer or you simply want to remove it, here’s how to do it.

First, go to the Start menu and click on Settings. From there, select Update & Security and then click on Windows Update. You should see an option that says “View update history”. Clicking this will take you to a list of all the updates installed on your computer.

Look for KB5021235 in the list and click on it. Then, click on the Uninstall button and follow the prompts until the process is complete. Keep in mind that removing this update may cause some security vulnerabilities so proceed with caution.

Alternatively, if you don’t feel comfortable removing updates manually, you can use third-party software such as Advanced SystemCare or CCleaner which offer easy ways to uninstall specific Windows updates.

Remember to always backup important files before making any major changes to your system!

What should I do if I’ve already installed KB5021235?

If you’ve already installed KB5021235, there’s no need to panic. However, it’s still important to take some measures in case any issues arise.

Firstly, keep an eye out for any unusual behavior or problems with your computer system. If you notice anything out of the ordinary, such as slow performance or crashes, it may be related to the update.

You can also check your Windows Update history to see if KB5021235 has been installed successfully and correctly. If there were any errors during the installation process, they should be listed here.

If you haven’t experienced any problems so far and want to play it safe, consider uninstalling the update altogether. This can be done through the Control Panel by selecting “Programs” and then “View Installed Updates.” From here, you can locate KB5021235 and choose to uninstall it.

Alternatively, you could wait for Microsoft to release a fix or patch for any potential issues associated with this update. Keep checking for updates regularly through Windows Update in order to stay on top of things.

While having already installed KB5021235 shouldn’t immediately cause alarm bells ringing – monitoring your system closely is essential just in case anything goes wrong down the line.

What should I do if I’m experiencing problems with KB5021235?

Experiencing problems with KB5021235 can be frustrating, especially if it affects your computer’s performance. If you’re having issues after installing the update, there are a few things you can try to resolve them.

First, try restarting your computer. This may seem simple, but sometimes a quick restart is all that’s needed to fix minor glitches in the system.

If that doesn’t work, check for any other updates that need to be installed. Sometimes an outdated driver or software can cause conflicts with the latest Windows update.

You can also try uninstalling and reinstalling the problematic update. To do this, go to Settings > Update & Security > Windows Update > View update history > Uninstall updates. Find KB5021235 and select “Uninstall.” Then restart your computer and reinstall the update from scratch.

If none of these solutions work, consider reaching out to Microsoft support for further assistance. They may have additional troubleshooting steps or be able to provide more specific guidance based on your individual situation.

Remember: always back up important files before making any changes or modifications to your system!

What should I do if my computer is affected by KB5021235?

If you find that your computer has been affected by KB5021235, there are a few steps you can take to try and resolve the issue. Here’s what you can do:

1. Uninstall the Update – The first thing to try is uninstalling the update from your system. This should revert your computer back to its previous state before the update was installed.

2. Run Windows Troubleshooter – If uninstalling doesn’t work, run the Windows troubleshooter for updates in order to detect and repair any issues with the update installation process.

3. Check for Other Updates – It may be possible that other updates are causing conflicts with KB5021235, so check if there are any pending or recent updates available on your system and install them as necessary.

4. Contact Microsoft Support – If none of these steps work, it may be time to contact Microsoft support directly for further assistance in resolving any issues related to KB5021235 on your system.

Remember, stay calm when dealing with technical issues like this one! With some patience and perseverance, most problems can be resolved effectively without having too much impact on how you use your computer day-to-day.


In summary, KB5021235 is an important Windows update that provides security patches and performance improvements. While there are some risks associated with installing the update, such as compatibility issues and system crashes, they can be mitigated by following best practices for updating your computer.

If you have already installed KB5021235 and are experiencing problems, there are steps you can take to troubleshoot and resolve them. These include rolling back the update or seeking assistance from Microsoft support.

Ultimately, it’s important to stay informed about updates like KB5021235 so that you can keep your computer running smoothly and securely. By staying up-to-date on the latest developments in Windows updates and taking proactive measures to protect your data, you can ensure that your computer remains a reliable tool for work and play.


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