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I own APDL v2.0. I DL'd v6.0. So, on my PDA, I had 2 APDL's. I thought that I would just delete the old version, but it would not let me. It said that the program was sharing information. So, then I used my PC to uninstall ADPL v6.0, so I could just start the whole process all over again. Well, unfortunately I have now lost ALL of my information on both the v2.0 and the v6.0. No more tail numbers, flight crews, flights....nothing. Even the preferences.
And I still have the old ADPL on my PDA, including it being on my start menu with the old logo. I also still have the new version, which I was trying to delete.
I am beyond panic.