What is new in Windows 11 KB5040442?
How to get this update on your PC?
What should you do in case of KB5040442 not installing?

In this post onMiniTool, you could find the answers you want.
Now, lets get right to the point.
This update changes the build number of Windows 11 23H2 to 22631.3880 and 22H2 to 22621.3880.
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See how to install this update:
Step 1: Access theSettingstab by pressingWin + I.
Then, check for available updates.
So how can you fix the installation issue?
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See some common troubleshooting tips.
If KB5040442 wont install, try it.
Step 1: Go toSettings > System > Troubleshoot > Other troubleshooters.

Step 2: Look forWindows Updateand then tap on theRunbutton to begin the troubleshooting.
What if Windows Update Troubleshooter doesnt work as intended?
In this article, you will find multiple solutions to this annoying issue.
Then, restart this service via the context menu.
Step 3: Do the same thing forBackground Intelligent Transfer Service.
To get rid of the issue, run SFC and DISM to repair the corruption.
Step 1: Inputcmdto the search box and clickRun as administratorfrom the right pane.
Step 2: Typesfc /scannowand pressEnterto start scanning the system files and repair the corruption.
Step 3: Also, you’re free to execute this command DISM /Online /Cleanup-Image /RestoreHealth.
Step 1: OpenMicrosoft Update Catalogin a web surfing app.
Step 2: Hit theDownloadbutton as per your system version.