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How to Fix: KB3122947 Failed to Install (Error 80070643)

Infopackets Reader Nigel S. writes: " Dear Dennis, Today my Windows 10 computer rebooted to finish installing updates, but then I received an error message that update KB3122947 'failed to install', with an error 0x80070643 - whatever that means. I ... clicked on the More Info link that didn't help me fix the problem. Can you help? " My response: Based on what I've read online, update KB3122947 has failed to install for many people - in fact, it failed to install on one of my systems. There is, however, a workaround and it involves using the administrative command line. Unfortunately the ... (view more)

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