Error Code 80070641 and 8004ff01 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.
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[Fixed] Window Error Code 80070641 and 8004ff01 - Live Assist Support

Usual causes for this Error Code 80070641 and 8004ff01 are communication failure over the internet with Microsoft update servers. Read More