How to fix Error 0x80073701 when updating Windows 10 or 11
Step 1) Run Update Troubleshooter
Step 2) Use Windows 10 Update Assistant or Windows 11 Installation Assistant
https://www.microsoft.com/en-us/software-download/windows10
https://www.microsoft.com/en-us/software-download/windows11
Step 3) 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
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 4) Use Media Creation Tool
https://www.microsoft.com/en-us/software-download/windows10
https://www.microsoft.com/en-us/software-download/windows11

Please take the opportunity to connect and share this video with your friends and family if you find it useful.