After install/reinstall of Windows 7 from UW media "1621-Win7_64_wSP1_wUnattend_26MAY2011.iso" windows update initiates but will not complete the update process. Update process will continue running for several hours however will not parse updates, will not time out or generate error message.
Reference to the follow solutions have been found at: https://www.thurrott.com/windows/67305/convenience-rollup-makes-big-difference-windows-7-updating-still-broken
In summary the update of KB3083710 and KB3102810 available from microsoft.com allowed the update service to process. Other observations and suggestions to assist with updating the dozens of updates spanning from May 2011 to date are, switch update to process "Check for updates but let me choose whether to download and install them" option as you should selectively apply updates in order of date issued and review technical notes.