Windows Update KB5010386: Errors and Everything You Need To Know

Windows Update KB5010386

As a Windows user, you’re sure to have got messages from Microsoft about security updates. These updates may seem a bit annoying as you’ll have to restart your system for the updates to install. But, they are nevertheless necessary to address any issues or vulnerabilities in Windows that may be exploited by cybercriminals. 

One such Windows update is KB5010386. It was released on February 8, 2022, to update the security on your Windows 11 operating system. What is this update really? Can it throw errors and if yes, how to address them? Read on, as I answer these questions and more in this article.

What Improvements Does Windows KB5010386 Make?

The Windows KB5010386 update was released to address a few issues and make some improvements in Windows. Here’s a list of all that it addresses.

LDAP Error

Firstly, it addresses an issue in the Lightweight Directory Access Protocol (LDAP). It throws the “Error: 0x20EF. The directory service encountered an unknown failure” when a modify operation contains the UserAccountControl and SamAccountName attributes. Developers have found it hard to fix this issue and had to use workarounds like defragmenting the database. But this update fixes the LDAP error.

Email Search

Sometimes, emails stored in your local PST or OST file don’t appear in the search results on your Microsoft Outlook Desktop app. This is due to configuration issues in POP and IMAP accounts and has affected accounts that were hosted on Office 365 and the Microsoft Exchange servers.  The kb5010386 update fixes this issue as well. 

Auto-hide Feature of Taskbar

When you hover over the primary or secondary display, the taskbar may not appear at times. This is due to a feature called auto-hide. The KB5010386 update fixes this issue, so the taskbar will be visible when you hover over the display. 

Similarly, users had reported that icons on a taskbar were not displayed properly on secondary display units, and this has also been resolved in this update.

App Icons and Volume 

Sometimes, app icons continue to appear as if they are running, even after you close them. Likewise, the volume icon appears muted when it’s not.  The kb5010386 update resolves both of these issues.

Language Updates

Besides fixing known issues, Microsoft also made updates to Input Method Editors (IMEs), especially for the Chinese and Korean languages. 

Also, the language errors like the Japanese text for describing Windows update progress have been fixed. The daylight savings time for Jordan is updated.


Other than these issues, the KB5010386 update improves the overall security of Windows 10 and 11 operating systems. It also improves the following:

  • File Explorer’s performance while browsing and selecting files
  • Auto brightness for better performance in low light scenarios
  • Color rendering for some image editing programs
  • Accurate battery percentages display for Bluetooth-linked devices.

As you can see, there are many improvements and updates, so it augurs well for you to install the kb5010386 update.

How To Download Windows Update KB5010386?

To download Windows update KB5010386, head to Microsoft’s Catalog page. Depending on your operating system’s version, download the appropriate package, and install it.


Errors Caused By KB5010386 Update and How To Fix Them?

While the KB5010386 update has fixed some vulnerabilities and improved performance on some fronts, it is also known to cause errors. Here are some errors and ways to fix them.

Blue Screen of Death

Some users have complained that they get the Blue Screen of Death while installing the update while others have posted that they are having issues running specific apps. At the time of writing this piece, Microsoft has not provided any solution for these problems. If you’ve faced any of the above problems, simply delete the update, and restore your device to its previous point. 

Broken Windows 10 Update

Sometimes, the update may fail in your Windows 10 operating system. Typically, it stops at a certain percentage and the update is not installed. The easiest way to fix this problem is to install the update via PowerShell. To do this,

  • Open PowerShell in admin mode
  • Type “Install PSWindowsUpdate
  • You may be asked to install the “NuGet” module, and type “Y” for it.
Powershell nuget
  • Next, type “Get WindowsUpdate” to check for updates.
  • If there are any updates, install them with the command “Install WindowsUpdate

The above is a generic fix that should resolve all update installation issues.