PROBLEM
The library with the caption 'ESRI ArcToolbox Interfaces' is not a choice in the list of the Project References in Visual Basic.
The type library is not registered during the installation of ArcGIS.
Note:
This is the type library whose caption is 'ESRI ArcToolbox Interfaces'. By selecting the library, it will register. You need to do this only once.
Article ID:000005808
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