How To Fix Windows Update Error 0x80070643 In Windows 11/10

The 0x80070643 error message typically arises from misconfigured system settings, a malware or virus infection, a malfunctioning driver, corrupted or absent system files, or lingering old versions of programs that were not properly uninstalled when a new version was installed. Additionally, improper shutdowns or disconnection from a power source while in use can also trigger a #0x80070643 error on a #Windows computer or tablet.

If there is suspicion of malware on your computer, prioritize running your antivirus software to detect and eliminate it before proceeding with any other actions.

Code:
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

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