Hi boys I have a problem

I have the same issue. It's not with the AC or CFG. It's with RXP. I have no idea why, but no matter how many times I register my RXP software it seems to forget it;s registered and deactivates itself. I finally quit using it because i did not feel like registering RXP every single time I start my sim.Now if you want a recommendation, take a look at http://www.simflyer.net/affiliates.html and their avionics? I lvoe what they are doing and they have some PMDG CFG's available on their forums for users of their avionics packages. I am using their GNSv4 package in PMDG's B1900C and love it.