There are some 3rd party softwares which can remove the bad sectors from the hard disk. You can use any of them to do it.
Not sure if Norton Disk Doctor can do it not. Try out once...
Also, you can use any of the following free tools at your own risk.
http://www.unistal.com/disk_repair.html
http://3d2f.com/programs/30-802-disk...ftware-downloa d.shtml
Thanks,
Krishna