have you tried looking into the file wich can't be opened? If a file cannot be dubble-clicked is doesn't mean that the file is wrong. it just doesn't have a extension for file association. open notepad and drag the file in notepad and see what it displays.. bart ----- Original Message ----- > I hope many of you enjoyed your first weekend playing with Fruitystudio, as > for me > its been a complete nightmare. I received a email on friday confirming my > purchase > and was directed to a site where i downloaded the demo, i then inserted my > username > it gave me the relevant code and i registered it. I then received the > regcodes which is where my nightmare begins. When i save it to my c drive it > apears as a unknown file and nothing happens when i click or double click on > it. Anyway to cut a long story short > i have spent the whole weekend emailing back and forth with fruity support > but they > can't seem to solve the problem..