Just done my Oct/Nov updates and checked Dec updates for Win8.1 got nine classed as important and four as optional, ran a search and MS trying on!
Important updates
KB3112336 Update turns out to be another Win10 being pushed.
Next two seem odd, MS classes them for Win7.
KB3108381
KB 3109103
Same for these two optional updates
KB3102429
KB3112148
Any how wrote them all down and will check the lot out in Jan to see what I will allow on my PC.
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Dr Who rest in peace 1963-2017.
To borrow Davros saying...I NAME YOU CHIBNALL THE DESTROYER OF DR WHO YOU KILLED IT!