
Fix Windows 11 Update Error 0xca00a009
Fix Update KB5007215 Not installing On Windows 10 Error Code 0xca00a009
Step 1) Run Windows Update troubleshooter
Step 2) Install update using Microsoft Update Catalog
https://www.catalog.update.microsoft.com/home.aspx
Step 2) Reset Windows Update Components
SC config trustedinstaller start=auto
net stop bits
net stop wuauserv
net stop msiserver
net stop cryptsvc
net stop appidsvc
Ren %Systemroot%\SoftwareDistribution SoftwareDistribution.old
Ren %Systemroot%\System32\catroot2 catroot2.old
regsvr32.exe /s atl.dll
regsvr32.exe /s urlmon.dll
regsvr32.exe /s mshtml.dll
netsh winsock reset
netsh winsock reset proxy
rundll32.exe pnpclean.dll,RunDLL_PnpClean /DRIVERS /MAXCLEAN
net start bits
net start wuauserv
net start msiserver
net start cryptsvc
net start appidsvc
Click the File tab/Save as/Select the desktop.
Name it as Wufix.bat and in the field below under Type select all files.
Click save
Right-click on the Wufix file and click Run as administrator
Restart your PC
Step 3) Run these commands
dism /online /cleanup-image /startcomponentcleanup
sfc /scannow
dism.exe /Online /Cleanup-image /Restorehealth
Step 4) Use Windows 11 Installation Assistant
https://www.microsoft.com/en-in/software-download/windows11
Step 5) Update Windows 11 using media creation tool
https://www.microsoft.com/en-in/software-download/windows11