Using a cracked version like "2.0.3 Multilingual" instead of the official software carries significant dangers: [OFFICIAL] Buy DroidKit | Mac Version - iMobie
Use the free tools (like Data Manager or the scan feature) to test compatibility with your phone.
are you trying to fix (e.g., locked out, lost photos)? What model of phone are you using? Do you have a PC or Mac available to run the software?