Fix Windows 10 Update Error 0x8000ffff We Couldn't Install This Update Try Again (0x8000ffff)
Fix Error Could Not install update try again error 0x8000ffff, Fix Error code 0x8000ffff When updating Windows 10 to version 21H1 20H2 1909 or 1903
1) Run Windows Update Troubleshooter
2) Restart Windows Update and cryptographic service and run network troubleshooter
3) Use Google DNS Server
Type network connections
8 8 8 8
8 8 4 4
4) Run Windows update reset script: https://answers.microsoft.com/en-us/windows/forum/windows_10-update/how-toreset-windows-update-components-in-windows/14b86efd-1420-4916-9832-829125b1e8a3?auth=1
5) Run SFC and DISM command
sfc /scannow
dism.exe /Online /Cleanup-image /Restorehealth
Step 6) Update Windows 10 Using Media Creation Tool: https://www.microsoft.com/en-in/software-download/windows10
how to repair windows 10