how to fix this error (0x80070643) it says that there was an error when trying to update windows

Question

There was an error when trying to update,we will try later.if the issue persists and you want to search the web for solutions or contact technical support use error code (0x80070643)

Answer 1

Try

net stop wuauserv
net stop cryptsvc
net stop bits
net stop msiserver
net stop dosvc

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 Catroot2.old

net start dosvc
net start msiserver
net start bits
net start cryptsvc
net start wuauserv and finally
sfc /scannow
DISM /Online /Cleanup-Image /RestoreHealth reboot -> try to update again.

Answer 2

Hello "0x80070643" means fatal error. There is a possibility that the system image has been corrupted.

1. Please open an administrator command line and run "sfc /scannow" or "dism /online /cleanup-image /restorehealth" to check the health of system files.
2. If you have installed third party antivirus software, please uninstalled it then check.
3. We may check the C:\Windows\logs\cbs\cbs.log for more detailed information to troubleshoot this issue. 4.Troubleshooting the issue mya be complicated, we may try an in-place upgrade directly. How to do a Windows 10 Repair Upgrade - Microsoft Community   Best Regards, Wesley Li ============================================ If the Answer is helpful, please click "Accept Answer" and upvote it.

Answer 3

Hello,

See if this fix helps you:

https://www.kapilarya.com/fix-windows-update-error-code-0x80070643

Let us know if this helps!

Note: Included link in this reply refers to blog by a trusted Microsoft MVP.