If you try to execute the file and it says something like \"...is not a valid 32-bit windows application\" or similar, the download isn\'t complete yet.
If you try to execute the file and it says something like \"...is in use by another process\" or similar, you have to close the bittorrent client. Make sure it\'s not just minimized to the system tray (the icons close to the clock) either.
Other that that, without a more precise description of the error, a diagnosis is pretty much impossible. It\'s like going to the hospital and saying \"I\'m not feeling so well\", the doctor can perhaps diagnose \"you are ill\" but he won\'t be able to cure you.
