I know I saw a post some time ago on this forum where someone recommended simple and free files recovery software; I remember using it once and it had DOS like GUI; I don't have it anymore (new computer); could somebody help, please;

thanks in advance

TestDisk & PhotoRec documentation can be found online:
TestDisk - CGSecurity (http://www.cgsecurity.org/wiki/TestDisk)
PhotoRec - CGSecurity (http://www.cgsecurity.org/wiki/PhotoRec)

Documentation can be downloaded from
TestDisk Download - CGSecurity (http://www.cgsecurity.org/wiki/TestDisk_Download)

Try these software It was recommended by http://www.dvinfo.net/forum/members/marius-boruch.html

I tried i was able to get the video but no audio yet I am still working on the audio

You could also try Recuva:

Recuva - Undelete, Unerase, File and Disk Recovery - Free Download (http://www.piriform.com/recuva)

Recuva didnt work for me