Okay so I hope that I am able to have this make sense because this is extremely confusing to explain. So a few weeks ago I downloaded Imaginesims Atlanta scenery for FSX and I had a TON of trouble trying to install it and after awhile I gave it up as a lost cause. So then a couple of days ago I decided that I would try and install it again. So I read through the manuals and scoured the internet and I finally figured out what I had done wrong. After successfully installing it I went up to my FSX tool bar and clicked on "Add-ons" and I found to my horror that everything was gone off of that tab, Couatl, GSX, Addon Manager, Ultimate Traffic 2, etc. The only thing that remained was something called "FSUIPC." I wondered if this would affect my game and it sure did, a lot. So I went to one of my installed sceneries and found out that all the buildings were missing, and the same thing for all the addon airports that used Couatl. It has happened to me before so I was thinking that I'd be able to fix the problem. So I also checked to see if my addon planes were also fine. I loaded up my Quality wings 757 only to find out that all the panels are missing, and outside the airplane some of the landing gears were missing and the flaps were down with the spoilers up. I loaded up my PMDG 737 and the same thing happened (except that there was nothing wrong with the outside of the plane). I am really at a loss here, I have no idea what to do and I don't want to mess with anything to mess it up further. Any help is appreciated! If you need me to elaborate on anything don't hesitate to ask. Thank you!