I finally got it to reinstall but only after a ton of grief. It seems that every time I tried to reinstall the 757, the installation program would search for the fly2.exe file on my system. The problem was that I now have had to put more than one version on my system (for backups & reinstalls, etc.). Therefore, the update kept finding the first availably version & would install the update to the .exe to that particular .exe, while it installed the actual 757 files to the directory I kept specifying. The only way I could have the 757 update my fly2.exe to the latest 757 version (PMDG updates the 2.30 fly2.exe file) was to RENAME any & all but one of my other versions of the file "fly2.exe" to something else - this way when I tried to reinstall the 757, it ONLY would find the current .exe file I would intend to use (in the FLY II directory that was my currently active one). Then & ONLY THEN, the PMDG 757 file would update the fly2.exe file I was currently using - AND install the 757 files to the same version of FLY2. Merely trying to choose the correct directory to install to with the "BROWSE" key never worked. You would think it would, but it did not. No matter what path I typed in the browse field, it still would update the first available version of the FLY2.exe it could find - & which was not the version that needed the reinstallation.Sound confusing? Took me five days to figure out.Take care. Thanks for your help all.Chris

Chris,maybe you should have tried to zip your backup installation of Fly!. I would suggest to keep the backup installation zipped anyway. You can work with an archive as well.For installation purposes the installer script won't find your backup installation, since it would be one file only instead of an actual open folder structure.Keep the nose up and happy landings :-wave

Excellent suggestion! Thanks!CC