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After resetting Windows 11, it's stuck on 21H2 and won't update
After a system reset, my computer is stuck on Windows 11 21H2 and cannot receive any subsequent updates. The system prompts that important security updates are missing and suggests manually upgrading...
Hello,
You can try direct manual upgrade to latest version atm i.e. Windows 11 25H2 using ISO file.
Follow these steps:
Download Windows 11 25H2 ISO from the official Microsoft website.
Double click on it to mount it to a DVD drive.
Then go to DVD drive, double click on setup.exe to proceed.
Follow on-screen instructions to complete upgrade.
For detailed instructions, refer this step-by-step guide:
Let us know if this helps!
Note: Included link in this reply refers to blog post by a trusted Microsoft MVP.