Could not connect to the service after a patch upgrade Windows Server 2008 R2 (4033725)

Could not connect to the service (vRanger DB), after a Windows software upgrade. After a software patch process for Windows Server 2008 R2  the GUI of vRanger fails to connect to the DB.

Event viewer shows:
 vRanger Backup & Replication encountered an error during startup. The exact error message was: The EXECUTE permission was denied on the object 'vz_InventorySourceConnectionSelectAll', database 'vRangerPro', schema 'dbo'..
 ervice cannot be started. System.ServiceModel.AddressAlreadyInUseException: HTTP could not register URL http://+:xxxx/XXXXXXX.svc/.

Or

Another application has already registered this URL with HTTP.SYS. ---> System.Net.HttpListenerException: Failed to listen on prefix 'http://+:xxxx/XXXXXXXt.svc/' because it conflicts with an existing registration on the machine.
   at System.Net.HttpListener.AddAll()
   at System.Net.HttpListener.Start()
   at System.ServiceModel.Channels.SharedHttpTransportManager.OnOpen()
   --- End of inner exception stack trace ---
   at System.ServiceModel.Channels.SharedHttpTransportManager.OnOpen()
   at System.ServiceModel.Channels.TransportManager.Open(TransportChannelListener channelListener)
   at System.ServiceModel.Channels.TransportManagerContainer.Open(SelectTransportManagersCallback selectTransportManagerCallback)
   at System.ServiceModel.Channels.TransportChannelListener.OnOpen(TimeSpan timeout)
   at System.ServiceModel.Channels.HttpChannelLicking