please , I need some help ! my windows crashed , and after many attempts , I succeeded to recover it with windows cd , but the problem is that all my photos and documents has been corrupted , all still in there but empty: 0 bytes. like when I try to open a photo, it says : " windows photo viewer can't display this picture because the file is empty" also my external hdd has the same problem. and all my data and photos and documents still there but empty. no virus has been detected by my antivirus. i used "Power Data Recovery" to recover my data , but it fails to recover. my operating system : windows 7 - 32bit all my data and my family pictures are there. please I need help.