Nero SecurDisc Viewer can be used to check the data integrity of a SecurDisc disc by using the checksum feature. The data integrity check warns you if the data on a disc is at risk of disc decay so that you have time to back it up to another disc. 
Proceed as follows:
1.
Click the Integrity button.
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The File Integrity Check window is opened and the integrity check is carried out. You can follow the progess with the status bar and the displayed messages.
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As soon as the integrity check is finished, a message is displayed to notify you about the result of the check.

Checking data integrity