If you use a CD/DVD burning application that has a disc verification option, you may know that this handy feature is useful for checking that there are no errors on the discs you burn. But what if you scratch the disc and want to check if all the files are still readable? A disc verification application is an essential tool that you can use to scan CDs, DVDs, hard drives, and other types of storage media.

Besides being a great tool for scanning hard drives for bad disk clusters, Ariolic Disk Scanner can also check CDs and DVDs for errors. It tests the entire surface of the disk and displays good and bad clusters in real time.

This Windows program does not require installation, so you can run it from any type of media. For example, if you copy it to a USB stick, you can take it with you to check various computer settings.

Emsa DiskCheck for Windows is a media checking utility that you can use for CDs, DVDs and other types of media. It has a simple interface that is easy to understand.