Ghost 10 error message

I keep getting this when I try to back up:

 

escription: Error EC8F17B7: Cannot create recovery points for job: Recovery point of C:\. Error E7C3000F: Device \\.\SymantecSnapshot0 cannot read 4144 sectors starting at LBA 6157792. Error EBAB03F1: Data error (cyclic redundancy check).
Details: 0xE7C3000F
Source: Norton Ghost

 

Can someone help?  I have Windows XP Home edition.