Fix Windows 11 Update Error 0x80073701

Fix Windows 11 Update Not Installing/Downloading Error Code 0x80073701, Fix Windows 11 (KB5015814) Install error 0x80073701
Step 1) Run Update Troubleshooter
Step 2) Restart Windows Update & Background intelligent transfer service
Step 3) Use Windows 11 Installation Assistant

Step 4) Use Microsoft Update Catalog
https://www.catalog.update.microsoft.com/Home.aspx
Step 5) 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%System32catroot2 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
dism /Online /Cleanup-image /ScanHealth
dism /Online /Cleanup-image /CheckHealth
dism /Online /Cleanup-image /RestoreHealth
dism /Online /Cleanup-image /StartComponentCleanup
Sfc /ScanNow
net start bits
net start wuauserv
net start msiserver
net start cryptsvc
net start appidsvc

Name it Wufix.bat
Right-click on the Wufix file and click Run as administrator
Restart your PC
Step 6) Use Media Creation Tool