The Disk Doctor Surface Test sensor has found physical errors in the surface of a disk.
Physical disk errors can compromise your data, so this problem should be fixed immediately. Norton Disk Doctor moves data from bad areas of the disk, and marks the bad areas so they are not used in the future for data storage.
Click Fix Using Norton Disk Doctor to correct the problem now.
To monitor disks for errors in logical structures (such as cross-linked files, lost clusters, or file allocation table errors), use the Disk Doctor sensor.