Unlock Windows 10 KB5050081 Highlights & Fixes for Not Installing

What Are Windows 10 KB5050081 New Highlights?

KB5050081 is a preview update with a build of 19045.5440. It was released on January 28, 2025, for Windows 10 22H2, bringing some new features and improvements. The most noteworthy thing is that after updating to Windows 10 KB5050081, Mail & Calendar will be replaced by the new Outlook for Windows app. Besides this, this update fixed issues with the Windows + Shift + S key combination not working, USB audio devices stopping working, the device not recognizing whether the camera is on, and more.

Since Windows 10 KB5050081 is an optional cumulative preview update, it will not be downloaded automatically unless you choose to get the latest Windows updates as soon as possible. For Windows 10 KB5050081 download, you need to go to Settings > Update & Security > Windows Update to check for updates.

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However, it is possible that KB5050081 fails to install along with various error messages. If this is your case, you can try the following approaches.

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How to Fix KB5050081 Not Installing on Windows 10?

Fix 1. Run the Windows Update Troubleshooter

When faced with Windows update or installation issues, the first thing you can do is run the Windows Update troubleshooter. It provides the most convenient update failure detection and repair and is built into the Windows system, making it easy to use.

First, right-click the Start button and choose Settings. Then navigate to Update & Security > Troubleshoot. In the right panel, select Additional troubleshooters. When the new window pops up, click Windows Update, and then hit Run the troubleshooter.

Fix 2. Download KB5050081 From Microsoft Update Catalog

In addition to Windows Update, KB5050081 is also released through Microsoft Update Catalog. So, you have the option to download the standalone package for this update and install it manually.

1. Go to the Microsoft Update Catalog page for KB5050081.
2. Check the update list, and then click the Download button next to the one that matches your computer’s specifications.
3. When you see the pop-up window, click the blue link to download the .msu file of KB5050081. Once it is downloaded, run it to install KB5050081.

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Fix 3. Reset Windows Update Components

You can also create a bat file and run it to reset Windows Update components so as to resolve update failures.

First, open a Notepad file. Second, copy and paste the following commands into Notepad:

SC config trustedinstaller start=auto

net stop bits

net stop wuauserv

net stop msiserver

net stop cryptsvc

net stop appidsvc

Ren %Systemroot%\SoftwareDistribution SoftwareDistribution.old

Ren %Systemroot%\System32\catroot2 catroot2.old

regsvr32.exe /s atl.dll

regsvr32.exe /s urlmon.dll

regsvr32.exe /s mshtml.dll

netsh winsock reset

netsh winsock reset proxy

rundll32.exe pnpclean.dll,RunDLL_PnpClean /DRIVERS /MAXCLEAN

dism /Online /Cleanup-image /ScanHealth

dism /Online /Cleanup-image /CheckHealth

dism /Online /Cleanup-image /RestoreHealth

dism /Online /Cleanup-image /StartComponentCleanup

Sfc /ScanNow

net start bits

net start wuauserv

net start msiserver

net start cryptsvc

net start appidsvc

Third, click File > Save As, and select a target location. Fourth, type fix.bat in the File name field, select All Files in the Save as type filed, and then click Save.

Finally, run the bat file and wait for the command lines to be executed completely. Then, you can install Windows 10 KB5050081 again and check if it can be installed successfully.

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Bottom Line

To sum up, you can easily download and install Windows 10 KB5050081 from Windows Update to enjoy its new improvements. If it fails to install, then you can download it manually from the Update Catalog. Or, you can run the troubleshooter or reset the update components to fix the problem.