The Window Updates fail with error 80070308
System:
Win7 x64 + SP1
Updates that failed:
KB2570791
KB2536276-v2
KB2539635
KB2572077
KB2518869
KB2586448
KB2556532
KB2560656
KB2552343
Things that I've tried but failed: (also good for others to try these first)
1) Reset and re-register Windows...