Solutions for this Window Error Code 0x80070643 or 0x643

Error Code 0x80070643 or 0x643 error code is common for all the Windows Operating systems when you try to install the updates. It usually appears when Windows 10 or Windows 7 update system is broken or there is network related glitches.

Solutions for this Window Error Code 0x80070643 or 0x643

Usual causes for this issue 0x80070643 or 0x643 error are communication failure over the internet with Microsoft update servers.

Firstly, I will suggest you to do Windows Troubleshoot for windows update error 0x80070643.

After that,

Disable the proxy internet connection and try again to install the update.