NEED C# Single User Login per session

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I need to prevent simulatenious logins for one account such as one user has a spotify premium account and someone tries to login at the same time so they can share the subscribtion an error message pops up saying someone is already on the account.

I also need a session timeout method on my c# application so after 30 minutes it will log you out if no activity occurs.

I need this within 2 hours, so I need someone who knows what he is doing and isn't going to take more than 2 hours

Additional Project Description:
01/27/2014 at 16:53 EST

I need this by maximum 4hours actually

Skills required:
C# Programming, Software Architecture
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