Windows Update error code: 646

[Ryanmat]

I'm unable to run windows update and keep getting an error. I keep getting "Windows encountered an unknown error" error 646.
any suggestions as to what to do?
I am also getting the same error Code 646 when installing the updates.

[FIX] Windows Update Error Code 646

Some Windows users are reporting that certain updates that they attempt to install with the built-in WU component end up failing with the Error Code 646.

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[Uncle Gizmo]

I'm unable to run windows update

I note you have yet to receive a reply, hence I am bumping your enquiry up the list so that it gets seen again. Hopefully you will get the useful response..