SCCM Task Sequence Hangs

A lot of people use a Task Sequence to deploy applications after the Operating System has been installed.  A customer of mine had an incident where the TS hung  because Hotfix KB2761938 wasn’t installed on the clients. This stopped the clients from  receiving applications. Except for installing the hotfix on the clients there’s a pretty easy fix for this.

But first, here are the symptoms of a hung Task Sequence:

.ExecMgr_OnContentAvailable invalid request GUID handle

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