Activator.CreateInstance() works inside VSIDE but not externally

Question

I have a bunch of COM objects which all implement the same interface, and need to create one of them as chosen at runtime from a list of options. Since I know the CLSID for

Answer 1

I can't reproduce the problem you describe... some general pointers to check:

• IF you use the default Adobe IFilter then you will see strange behaviour when running as 64 Bit or AnyCPU on a 64 Bit machine... running from VS can make a subtle difference here
• http://support.microsoft.com/kb/2018558
• http://support.microsoft.com/kb/927675/en-us
• http://social.technet.microsoft.com/Forums/en-US/sharepointsearch/thread/aa966100-17f6-4ea9-8753-085cfbe5f17a/
• http://social.technet.microsoft.com/Forums/en/sharepointsearch/thread/0f062b26-b6ad-4c18-8c33-192e2a741dec