Were you able to confirm the service is pointing
          at stunnel.conf and not stunnel.cfg maybe?
          
          > Date: Thu, 21 Aug 2014 16:43:16 -0700
            > From: 
541401@gmail.com
            > To: 
stunnel-users@stunnel.org
            > Subject: [stunnel-users] Stunnel Windows Server 2008 R2
            > 
            > I have installed stunnel 5.03 on Windows Server 2008 R2
            X64. When I 
            > run it as an application it works perfectly. When I
            install and run the 
            > service, it starts but the start notice window, title
            bar, says Stunnel 
            > 5.03 win32 (not configured). It appears that the
            stunnel service is not 
            > reading the stunnel.conf.
            > 
            > If anyone has any suggestions how I can successfully
            run stunnel as a 
            > service, I would be very appreciative.
            > 
            > Thank you!
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