[KB9199285]-Steps to fix windows..
The Windows 11 update error code 0x800f0900 is caused by loose system lines., windows stops you from installing read this fix it.
https://www.unlicensedproduct.com/windows-update-error-code-0x800f0900/The Windows 11 update error code 0x800f0900 is caused by loose system lines., windows stops you from installing read this fix it.
https://www.unlicensedproduct.com/windows-update-error-code-0x800f0900/