How to Fix Error 0x800703f1 While Updating Windows 10
Steps to Fix Error 0x800703f1 While Updating Windows 10 to version 2004, 1909 or 1903.
1)Run Update Troubleshooter
2)Run DISM and SFC commands
sfc /scannow
dism.exe /Online /Cleanup-image /Restorehealth
3)Restart windows update services
4) Run these commands:
sc config wuauserv start=auto
sc config bits start=auto
sc config cryptsvc start=auto
sc config trustedinstaller start=auto
5) Reset Windows Update Components
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
Ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
Ren C:\Windows\System32\catroot2 Catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
6)Use Windows 10 Update assistant: https://www.microsoft.com/en-in/software-download/windows10
7) Use Media creation tool: https://www.microsoft.com/en-in/software-download/windows10