Updated info about Threat Modeling tool

If you are getting a user breakpoint when generating a threat model report or using the threat model preview for a threat model with Visio diagrams and you have Visio installed, it may be because stdole’s primary interop assembly (PIA) wasn’t installed in the GAC by Office. If you have installed the .NET Framework v1.1 after installing office, see the instructions here in order to install the Office 2003 PIAs:

https://msdn.microsoft.com/library/default.asp?url=/library/en-us/stagsdk/html/stconPIAs.asp