Free DVD CD Data Recovery Softwares To Recover Data from Scratch or Damaged Disk

Many time you faced the problems like when putting old CD/DVD disk in drive and it takes a lots of time to load or read by drive lens. You're trying to copy your important data from CD/DVD and it stopped in middle and your drive can't able to read it for Scratch or Damaged Disk. And you think "How to recover files from damaged scratch CD/DVD? What is the software for CD or DVD data recovery