missing Interop.TAPI3Lib

i get this error when i run my program, i added reference TAPI3.dll and under my project
anyone has any idea on this error? what am i supposed to fix it?

System.IO.FileNotFoundException: Could not load file or assembly 'Interop.TAPI3Lib, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
File name: 'Interop.TAPI3Lib, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'

[462 byte] By [DinoNguyen] at [2008-2-26]
# 1

check whether the specified interop file is present in the output folder if it is then check the dependency of tapi.dll. All the binaries should be present in the output folder.

Regards,
Sudeesh

Sudeesh at 2007-8-30 > top of Msdn Tech,Feedback for forums and MSDN websites,Off-Topic Posts (Do Not Post Here)...