I've seen this on several Win 7 machine today. The Win 10 upgrade shows up as an optional update and it is already checked.
EDIT: This is actually three upgrade to Win 10 updates, all with the same name but with slightly different sizes. Once you've hidden all three of them they appear to stay hidden.
Unchecking it and hiding it does no good, it comes back when you check for updates again.
EDIT: This is actually three upgrade to Win 10 updates, all with the same name but with slightly different sizes. Once you've hidden all three of them they appear to stay hidden.
Unchecking it and hiding it does no good, it comes back when you check for updates again.
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