Microsoft is opining some...

http://blogs.msdn.com/b/davidnotario/
http://www.codesynthesis.com/products/odb/

Mess Ups:
http://pcsupport.about.com/od/findbyerrormessage/a/d3dxof-dll-not-found-missing-error.htm
http://en.wikipedia.org/wiki/ActiveX
http://support.microsoft.com/kb/2779562
http://support.microsoft.com/kb/178644/en-us