Until we get further guidance from Microsoft, you should choose between Group A and Group B, follow the steps above, making sure you turn off Automatic Update.
As it stands, we’re all headed down the cumulative update path. Win10 is already there; Win7 and 8.1 are about to follow. If you want one patch, you have to take them all -- and if one of them breaks something, you can only uninstall the whole kit ’n’ caboodle.
As long as all of the patches work right, everything’s fine. What could possibly go wrong?
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