That's generally caused by one or more of the following:
- One or more patches taking a very long time to download
- One or more patches taking a very long time to install
- An installer not returning a code on exit as expected (meaning the deployment is sitting and waiting for it until it times out)
- Microsoft patches generally have a 12-hour timeout if they don't exit properly, so that would explain the bulk of that if one did that
We'd be happy to help you dig further to determine what happened if you'd like to open a case on the support portal. We should be able to identify from your logs exactly what hung up and where.