Brian,

>When I try to add a form or container class to my project ( I tryed this with 2 projects from seperate soulutions) the dialog popsup I rename the form and when i click open I get the following error (Unspecified error) and return to the new item dialog.

I think your origiinal hunch was correct...MM .NET doesn't kick in when you're adding a new item to a project. I'm not sure why you're getting that error (and not a very descriptive error at that!)

Regards,