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
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
netsh winsock reset
netsh winsock reset proxy
net start bits
net start wuauserv
net start msiserver
net start cryptsvc
net start appidsvc

Click the File tab/Save as/Select the desktop.
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
Step 4) Use Windows 11 Installation Assistant
Step 5) Update Windows 11 using media creation tool