how to add/make ASPNET access/permission to my certificate?

http://support.microsoft.com/?kbid=895971

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winhttp/http/wi
nhttpcertcfg_exe__a_certificate_configuration_tool.asp

im confused... still doesn't work

my signer name is "NetCast"
and certificate store name is "MY"

can anyone provide me a correct syntax on winhttpcertcfg or is there other
way to do it?

thanks in advance!
-jun