SDLTM.exe Error: 0 : Exception: System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.Office.Interop.Visio...

Question

The SDL TMT *used* to run on my system, but I've done a lot since then; trying to tace the specific cause of the below error is a bit beyond me).

Anyway, the tool will no longer launch (under any user context) and provides the error below so here I am (System: Windows 7 (x86) / Visio 2010 Professional):

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"SDLTM.exe Information: 0 : The tool encountered a serious problem and needs to close. Verify that Microsoft Visio 2007 or 2010 is installed. You can report this problem by posting the threat model you were working on, description of what you were doing at the time, and the file

 D:\Users\normaluser\AppData\Local\Temp\sdltm\sdltm.log

at http://social.msdn.microsoft.com/Forums/en-US/sdlprocess/threads/."

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I've uninstalled and reinstalled both the tool and Visio 2010 Professional.  Another system with the same "base configuration" (i.e. same platform/paths/software) runs fine (well, obviously it isn't exactly the same). Log file shows:

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SDLTM.exe Information: 0 : Starting application, time: Wednesday, 24 October 2012 11:51:41 a.m.
    Timestamp=1025209295327
SDLTM.exe Information: 0 : Version = 3.1.8.0
    Timestamp=1025209295834
SDLTM.exe Information: 0 : Build Write Date = 17/08/2011 5:53:36 p.m.
    Timestamp=1025209296871
SDLTM.exe Information: 0 : Build Create Date = 17/08/2011 5:53:36 p.m.
    Timestamp=1025209297093
SDLTM.exe Information: 0 : The tool encountered a serious problem and needs to close. Verify that Microsoft Visio 2007 or 2010 is installed. You can report this problem by posting the threat model you were working on, description of what you were doing at the time, and the file

 D:\Users\normaluser\AppData\Local\Temp\sdltm\sdltm.log

at http://social.msdn.microsoft.com/Forums/en-US/sdlprocess/threads/.
    Timestamp=1025224298933
SDLTM.exe Error: 0 : Exception: System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.Office.Interop.Visio, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified.
File name: 'Microsoft.Office.Interop.Visio, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c'
   at SDLTM.UI.Model.ModelControl..ctor()
   at SDLTM.FormMain..ctor()

=== Pre-bind state information ===
LOG: User = company\normaluser
LOG: DisplayName = Microsoft.Office.Interop.Visio, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c
 (Fully-specified)
LOG: Appbase = file:///C:/Program Files/Microsoft/SDL Threat Modeling Tool/
LOG: Initial PrivatePath = NULL
Calling assembly : SDLTM, Version=3.1.8.0, Culture=neutral, PublicKeyToken=null.
===
LOG: This bind starts in default load context.
LOG: Using application configuration file: C:\Program Files\Microsoft\SDL Threat Modeling Tool\SDLTM.exe.Config
LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\machine.config.
LOG: Post-policy reference: Microsoft.Office.Interop.Visio, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c
LOG: Attempting download of new URL file:///C:/Program Files/Microsoft/SDL Threat Modeling Tool/Microsoft.Office.Interop.Visio.DLL.
LOG: Attempting download of new URL file:///C:/Program Files/Microsoft/SDL Threat Modeling Tool/Microsoft.Office.Interop.Visio/Microsoft.Office.Interop.Visio.DLL.
LOG: Attempting download of new URL file:///C:/Program Files/Microsoft/SDL Threat Modeling Tool/Plugins/Microsoft.Office.Interop.Visio.DLL.
LOG: Attempting download of new URL file:///C:/Program Files/Microsoft/SDL Threat Modeling Tool/Plugins/Microsoft.Office.Interop.Visio/Microsoft.Office.Interop.Visio.DLL.
LOG: Attempting download of new URL file:///C:/Program Files/Microsoft/SDL Threat Modeling Tool/Microsoft.Office.Interop.Visio.EXE.
LOG: Attempting download of new URL file:///C:/Program Files/Microsoft/SDL Threat Modeling Tool/Microsoft.Office.Interop.Visio/Microsoft.Office.Interop.Visio.EXE.
LOG: Attempting download of new URL file:///C:/Program Files/Microsoft/SDL Threat Modeling Tool/Plugins/Microsoft.Office.Interop.Visio.EXE.
LOG: Attempting download of new URL file:///C:/Program Files/Microsoft/SDL Threat Modeling Tool/Plugins/Microsoft.Office.Interop.Visio/Microsoft.Office.Interop.Visio.EXE.
, Could not load file or assembly 'Microsoft.Office.Interop.Visio, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified.
    Timestamp=1025224317965
SDLTM.exe Error: 0 : StackTrace:    at SDLTM.UI.Model.ModelControl..ctor()
   at SDLTM.FormMain..ctor()
    Timestamp=1025224318516

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Answer 1

Never mind - it maps to the version 14 (2010) instances.  I found those binaries in the GAC and copied over to the SDL tool's directory (why it doesn't look in the system's local cache is a mystery).