Hi lrl1of5,
1) Are you using Windows Backup and Restore?
2) Was it working fine before?
3) Do you recall making any changes?
Always quote the complete error message you receive.
Method 1: Run the fixit available in the links below and check if that makes any difference- Worth a try**Fix broken desktop shortcuts and common system maintenance tasks**
Note: Fixit would try to recover bad sectors on the hard disk, during this process there are chances of DATA loss from that particular sector.
Method 2: Put the computer in clean boot and then try to backup
Follow Step 1 in the link below,
How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7
Important: - Remember to put the computer back to normal startup follow step 7 in the link.