Did I missed anything during this? I am running a this command from command prompt in Windows 7 to create a certificate but it is showing a syntax error. Command I ran: makecert.exe "c:\1\Test.cer" -a sha1 -n "CN=AppGuid" -sr LocalMachine -ss My -sky signature -pe -len 2048 Output I got: Usage: MakeCert [ basic|extended options] [outputCertificateFile] Basic Options -sk -ss -sr . . . Did I missed anything during this?