i want to open my pictures but this error occurs “Window photo viewer can’t open this picture because you don’t hava correct permission to access the file location

i want  to open my pictures but this error occurs "Window photo viewer can't open this picture because you don't hava correct permission to access the file location

i completed the methods to get permission but still the same message display whenever i open that file

i m using windows 7 32-bit

please help me to get rid of this.

these files are very important for me