How to recover files from a CD which is damaged

Sometimes, It might be necessary to take important files from scratched CD’s .
In such cases when you try to copy them using the normal method, you will get a cyclic redundancy check error and the file will not be copied. In such cases, if the file is very important, then you can make use of softwares like Isobuster to retrieve such files. Just copy your files using Isobuster and it will skip the areas where the CD is damaged and continue to retrieve the remaining part of the file.