Step1
Try to determine where you lost the file from.
Below is an explanation of what the recovery program can do.
Digital Photo Recovery 3
Recover lost images from your digital camera memory card!
Runs on Windows 95 / 98 / Me / 2000 / NT / XP / Vista
Free Art Plus Digital Photo Recovery tool can help you recover lost images from corrupted or accidentally formatted digital camera memory cards.
* Works with ALL types of memory cards!
* It's able to recover images from formatted cards!
* Reads corrupted cards (even if they're not recognized by Windows)!
* Recovers JPG, TIF and most of RAW files!
Program should be able to read all memory cards currently available on the market and recover lost JPG, TIF and most of popular RAW file formats. While it's not optimized for that task, this program can actually also read damaged floppys, CDs and DVDs.
Step2
http://www.artplus.hr/adapps/eng/dpr.htm
Visit the website link above and follow the download link.
Download the file to your desktop, no installation is required.
Click on the downloaded file to start the program.