vs2005运行MapiRule遇到"SignTool Error: No certificates

vs2005运行MapiRule遇到"SignTool Error: No certificates were found that met all the given criteria."
install
C:\Program Files\Windows Mobile 6 SDK\Tools\Security\SDK Development Certificates\SamplePrivDeveloper.pfx

and

change the settings of project VS2005,  "Property Pages"->"Authenticode Signing"->"Certificate"->Select Certificate->TEST USE ONLY - Sample Privileged Root for Windows Mobile SDK->Click OK->Click OK->Build the sample.