Windows Update KB5001391: Everything To Know

Windows Update KB5001391 Everything To Know

Microsoft has released a new update for Windows 10, bringing several bug fixes and performance improvements. The update was released on April 28, 2021, and labeled as kb5001391. It is available for all supported Windows 10, including versions 21H1, 20H2, and 2004.

One of the most notable changes in this update is the inclusion of a fix for the high CPU usage issue plaguing many users since the last major update. In addition, Microsoft has also addressed many other issues, including one that caused some devices to experience a blue screen of death after installing updates.

If you’re running Windows 10, you should install the kb5001391 update as it’s currently available. Here is a detailed overview of how you can download the update and what advancements have been made in the recent update.

What Issues Does kb5001391 Fix?

Windows Update kb5001391 is a cumulative update that addresses several different issues. These include:

  • An issue with audio not working correctly in certain apps when using multiple monitors
  • A problem that could cause devices to fail to start up or boot appropriately after installing updates
  • An issue with Microsoft Edge not being able to access some websites
  • A problem that could cause printer spooler services to stop working
  • A bug that could cause the taskbar to become unresponsive in certain situations

Known Errors In Update kb5001391 And How To Fix?

You may have run into some errors if you recently installed the update kb5001391 for Windows 10. Here’s everything you need to know about the update and how to fix any known errors.


While many users have had no issues with the update, some have reported various errors.

Some of the most common errors include:

  • Installation getting stuck or taking a long time
  • System freezes or crashes after installation
  • Problems with specific apps or features not working properly

How To Fix?

If you’ve run into any of the errors mentioned above, there are a few things you can try to fix them.

  • First, ensure your computer meets the system requirements for the update. You can find these requirements on Microsoft’s website.
  • If your computer meets the system requirements and you still have problems, try installing the update again.
  • Sometimes, restarting your computer can also help.
  • You can try using the Update Troubleshooter tool if you still have trouble. This tool can help fix common problems with updates.
  • You can also try uninstalling the update and then reinstalling it. To do this, go to Settings > Updates & Security > Windows Update and select View Update History. From here, you can uninstall the update.
  • If you still have problems after trying all these things, you can contact Microsoft for support.

While the Windows Update kb5001391 has caused some errors for some users, most people have been able to install it without any issues. If you run into problems, you can always try to fix them using these methods.

How To Download KB5001391?

If you’re trying to download the Windows Update kb5001391, there are a few things you need to know. 

  • First, this update is only available through the Microsoft Update Catalog. You can’t find it on the regular Windows Update site. If you do, that might be a corrupt source.
  • Secondly, you don’t need to use a different browser than usual to access the catalog. You can access it using Internet Explorer 11, Microsoft Edge, or Google Chrome.
  • If you’re using Chrome, you may get a message saying that your browser can’t access the site. The Windows Update Catalog uses ActiveX controls, which Chrome doesn’t support. In this case, you can shift to Microsoft edge.
  • Once you have the right browser, go to the Microsoft Update Catalog site, search for kb5001391, and then click on the “Download” button.
  • You should see a list of files to download. Choose the one appropriate for your system type (32-bit or 64-bit).
  • Finally, run the downloaded file and follow the prompts to install the update.

That’s all you need to know about downloading the Windows Update kb5001391!