Error 80040154 when trying to use SourceSafe via interop on 64bit Windows

win64 80040154 {783cd4e4-9d54-11cf-b8ee-00608cc9a71f} interop com sourcesafe 9 Comments

We recently moved to Windows 7, and I decided to go with the 64bit version for my machine. One of the utilities we use is a small tool for adding folders to Visual SourceSafe (why we haven't moved to another SCC provider yet is another question!) via the SourceSafeTypeLib interop dll. However, I was most annoyed when it wouldn't work on my machine, the following exception message would be displayed:

Retrieving the COM class factory for component with CLSID {783CD4E4-9D54-11CF-B8EE-00608CC9A71F} failed due to the following error: 80040154.

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