MiniTool Power Data Recovery is professional andfree data recovery softwarefor all versions of Windows.
you’ve got the option to use it to performexternal hard drive data recovery.
This software works under different data loss situations.
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This software has a trial edition.
you’ve got the option to use it to peek if it can find your needed files.
Windows 10 21H2 was released on November 16, 2021.

Now, Windows 10 21H2 is widely available.
You decide to download and install it on your machine.
But some users report that they cant install Windows 10 21H2 on their computers via Windows Update.
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Usually, users also receive some error codes like0xc1900101, 0xc1900223, Etc.
This is a very common issue.
When you cant install Windows 10 21H2 or cant download Windows 10 21H2, you should not give up.

Windows 10 21H2 will reach end of service on May 12, 2023.
Youd better refresh your Windows 10 to the latest version now.
To delete the corrupt temporary files, you just need torestart your Windows 10 computer.
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If the issue persists, you’ve got the option to try the next solution.
If this method doesnt work for you, the Windows Update components should be corrupted.
you gotta take measures to repair them.
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Keep reading to get the solution.
Do you know how to uninstall Windows 10 22H2 and go back to the previous version of Windows 10?
you could find a full guide in this post.

Solution 3: Repair Corrupt Windows Update Components
Windows Update Troubleshooter is not a panacea.
Some users said that they still cant download Windows 10 21H2 after using this tool.
Here is a real case from Microsofts Windows forum.

I get following oops message: There were problems downloading some updates, but well retry later.
If you keep seeing this, try searching the web or contacting support for help.
I restarted machine but still got the same error.

I looked at Microsoft update catalogue site but could not find update for Windows 10 Version 21H2.
Could you c’mon help.
This case is not rare.

If so, you might repair Windows Update components to have a try.
If you might download and install Windows 10 21H2 successfully, this means that the issue is solved.
you could try the next one.

Open Command Prompt as administrator on your Windows 10 computer.
When you see theUser Account Controlinterface, you better click theYesbutton to continue.
Enter the following commands one by one and pressEnterafter each.
Then, wait patiently until the whole process ends.
Wait until the verification is 100% completed.
- cycle your setup.
After these steps, you could go to verify if you could install Windows 10 21h2 smoothly.
If you still cant update to Windows 10 21H2, you should probably try the next solution.
If you want to find out if this is the case, you canclean boot your Windows 10 PC.
A clean boot will start a Windows 10 computer with a minimal set of drivers and startup software.
This removes a lot of distractions.
Then, the last service or app you have enabled is the cause.
it’s possible for you to uninstall it to fix your Windows Update issue.
In this part, we will show you some ways it’s possible for you to try.
Then, you’ve got the option to install Windows 10 21H2 from USB.
This tool is also available on the Windows 10 software download page.
So, youd better back up your data before performing a Windows update.
This software has a trial edition.
you might first try it to see if it can find the files you want to recover.
It is very easy to use this software to get back the lost and deleted files.