Windows XP Update looping problem

sometimes an svchost on an windows xp system will loop because of a Microsoft update problem they didn't fix. 

These are some references to stop it.  No fix yet, just useful hits so far.

http://superuser.com/questions/692412/win-xp-sp3-windows-update-wont-work/696222

https://www.bleepingcomputer.com/tutorials/list-services-running-under-svchostexe-process/