not able to send notification from C# to apple mobile app since .p12&.net certificate error

See more:

C#

C#4.0

i have tried importing the .cer and .p12 certificate in windows 7 using MMC console and i get ssi error. i have got the deivice token and used in the c# code and also tried using the .p12 file into the code but no use and used the WinHttpCertCfg.exe tool i herd but not able to run the command.
Also used the moonapns and jdsoft.apple.apns in code. is there any other way where i can successfully send push notification to apple phone.

please give me a solution to register the .p12 and .cer certificate to use in windows and also suggest me how to send push notification from c#.net to apple phone


ERROR
[Win32Exception (0x80004005): The message received was unexpected or badly formatted]