Error Code 80070641 and 8004ff01 are common for all Windows Operating systems
Error Code 80070641 and 8004ff01 are common for all Windows Operating systems when installing the windows update. Windows Update Error 80070641 and 8004ff01 usually appears when Windows 10 or Windows 7 update system is broken or there are network-related glitches.
The usual causes for this Error Code 80070641 and Windows Update Error Code 8004ff01 are communication failure over the internet with Microsoft update servers.
Firstly, I will suggest you do Windows Troubleshoot for Windows Error Code 80070641 and 8004ff01.
After that,
Disable the proxy internet connection and try again to install the Windows update.
https://www.officelivesupport.com/windows-update-error-80070641-and-8004ff01/
