After working on an infected Windows 8 machine, thoroughly cleaned including bloat ware, and with only Windows security present, every Windows Update attempt always came back with exactly what’s being described here (error 80072efd).Considering that Windows Updates uses Internet Explorer exclusively regardless of additional browsers installed, I discovered that the security settings in IE11 were all customized.Resetting IE back to its default settings fixed this problem, and now W8 updates without a problem.I remember this happening on a recent Vista and Win7 machine.
Hope this helps anyone in the same boat.Peace
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