The error code 0x800f0900 occurs on Windows 11 when users want to install the Cumulative Update (10.0.22000.100) (KB5004300). The major cause of this Windows 11 Update Error Code 0x800f0900 is corrupt or broken system files and installation mode.
This issue is issue to Windows 11 error code 0x800f0900, which can do if your system installation is damaged and needs form. many reasons causes this error issue, similar as missing or corrupted files, malfunctioned services, configuration issues, and other problems prompting the error.
Go to the Settings option and select the Update & Security tab
2.After that, select the Additional troubleshooter option
3.Click on the Windows Update option
4.Finally, click the Run the troubleshooter button
Still, follow the instruction below or talk to Microsoft experts for help, If persist.
If windows update error code 0x800f0900 occurs due to system file corruption.
Right- click on Command Prompt and select Run as administrator
Type SFC/ Scan now and press Enter
Wait till the scan is finished. However, use the following set of commands and press Enter
If it returns an error
DISM/ Online/ Cleanup- Image/ Check Health
DISM/ Online/ Cleanup- Image/ Scan Health
DISM/ Online/ Cleanup- Image/ Restore Health
Finally, restart your PC
we recommend you to chat with our online experts. I am sure they will guide you and help resolve this issue. You can also visit website for more details and more information.