Slippery fingers or a careless install program have deleted your data or messed up your hard drive configuration. Let's see how the two utility suites handle the job of rescue and recover.
Disaster recovery is one of the biggest reasons why people buy utility suites.
But when data gets erased or you find you can't access your hard drive anymore, that's something that you just can't sweep under the rug and put off until later. It's a problem that needs to be fixed immediately. Normally, once a file is dragged to the shredder, it's gone forever. But thanks to the nature of hard drive management and the way filesystems store files, it's yet possible to get back what you thought was gone. On a hard drive, files are stored with a record that says which sector or cluster the file begins at, and where it ends.