Not able to load an add-in for outlook 2007 developed in VSTO 2005

Hi,
I have created the setup for the outlook adddin. The setup works fine , but
when open the outlook the addin doest not get loaded.

Following thing i have Installed for outlook addin setup

1. .Net Framework 2.0
2. CAS
3. VSTOR.exe
4. primary interop Assemblies (office2007)