|Depends on what is causing it. Some virus can report them bad. If they keep making more each day or so there would be little hope of fixing it but you can try I guess.|
Normal disks have bad sectors usually after time. Most file systems mark the whole sector bad if it can't do a write to a part of the drive after so many attempts.
As above there are hard drive diags from OEM's that help. Might look for a low level format but see the diags first for why it is failing.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.