civil3d 2016 startup error

[Anonymous]

Hello Autodesk,

when i start civil 3d as autocad 2016 sp 1 on windows 7 i get the following error.

EX:
Engine version: 2016; Version name: ; Culture info: en-US

PLATFORM:
Win32NT Microsoft Windows NT 6.1.7601 Service Pack 1

SOURCE:
AREX

MESSAGE: (30-5-2016 13:11:50)
REX startup failed: Problem in loading application: Problem in loading application; StackTrace: at Autodesk.AutoCAD.Interop.IAcadApplication.GetInterfaceObject(String ProgID)
at REX.Common.REXCivil3DContext.Get(String VersionName, String AppVersionName)
at REX.AREXC3DStart.AREXC3DProxy.OnSetContext()
at REX.Common.Start.REXStartProxy.OnStartup()

DEPENDENCY: Autodesk.REX.Framework, Version=2016.0.0.0, Culture=neutral, PublicKeyToken=51e16e3b26b42eda (file version: 2016.0.0.3511) | REX.Controls, Version=2016.0.0.3511, Culture=neutral, PublicKeyToken=null (file version: 2016.0.0.3511) | REX.Controls.WPF, Version=2016.0.0.3511, Culture=neutral, PublicKeyToken=null (file version: 2016.0.0.3511) | REX.Controls.Forms, Version=2016.0.0.3511, Culture=neutral, PublicKeyToken=null (file version: 2016.0.0.3511) | REX.Mathematics, Version=2016.0.0.3511, Culture=neutral, PublicKeyToken=null (file version: 2016.0.0.3511) | REX.Preferences, Version=2016.0.0.3511, Culture=neutral, PublicKeyToken=null (file version: 2016.0.0.3511) | REX.System, Version=2016.0.0.3511, Culture=neutral, PublicKeyToken=null (file version: 2016.0.0.3511) | REX.Service, Version=2016.0.0.3511, Culture=neutral, PublicKeyToken=null (file version: 2016.0.0.3511)

LAST ENTRIES: 4 / 3

2: (30-5-2016 13:09:43)
AREX.REX.Manager - : Object reference not set to an instance of an object.; StackTrace: at REX.Common.Start.REXStartProxy.OnShutdown()
at REX.AREXC3DStart.AREXC3DProxy.OnShutdown()
at REX.AREXC3DStart.REXC3DStart.Terminate()

1: (30-5-2016 13:04:52)
AREX.REX.Manager - REX startup failed: Problem in loading application: Problem in loading application; StackTrace: at Autodesk.AutoCAD.Interop.IAcadApplication.GetInterfaceObject(String ProgID)
at REX.Common.REXCivil3DContext.Get(String VersionName, String AppVersionName)
at REX.AREXC3DStart.AREXC3DProxy.OnSetContext()
at REX.Common.Start.REXStartProxy.OnStartup()

I think it has something todo with a extention that does not like a service pack but with one?

any idea?

many thanks.

Roger

[Anonymous]

Ereee,  Please look in the registry off the current_user\software\Autodesk\Extentions\2017 

check if the dword values "DoNotShowExeptionMessage" and "MonitorAllExceptions" are there if so give them a value of 1  else create them.

Regards

Roger