An illustration of a magnifying glass. An illustration of a magnifying glass.

CDs and DVDs have been around for decades and are still widely used for storing and sharing digital data. However, they are not invincible and can suffer from errors and data corruption over time.

I have an Alienware PC which is still going strong after eight years, but I'm beginning to have nagging doubts about the integrity of the DVD drive. I've googled all over for diagnostic software, but ...