Although apparently a CD copy seems correct and perfect to the human eye, it may not be so; Therefore, it costs you nothing to have a utility like Exact File, which is responsible for checking and verifying the integrity of the files.
Exact File is specially designed to verify backup copies. It allows working with Unicode file names, as well as extremely long file names. Work with: md5sum, sha1sum, sfv, FileCheckMD5, and so on. To carry out the verification of the data, it uses multiple checksum methods, such as MD5, SHA1, CRC32, and so on.
In addition, Exact File allows you to even check and scan files in Japanese, Hebrew or Chinese. And best of all, it's totally free.
You can free download Exact File and safe install the latest trial or new full version for Windows 10 (x32, 64 bit, 86) from the official site.
Devices: Desktop PC, Laptop (ASUS, HP, DELL, Acer, Lenovo, MSI), Ultrabook
OS: Professional, Enterprise, Education, Home Edition, versions: 1507, 1511, 1607, 1703, 1709, 1803, 1809