Wanted: Good HDD scan program

[Supercow]

I'm almost certain i have a bad sector on one of my hardrives, but the tool the manufacturer provides is rubbish, and comes up with no results, but i know for a fact there is something wrong with it.
Can anyone advise a good HDD scan program, that would be able to identify, and hopefully "quarantine" said sector ?
I have Defrag Pro, but its not quite what I'm after.
Thanks

 

[Supercow]

Thanks, ill give it a go

 

[Supercow]

Doesn't windows come with a ready made drive checker that sorts out bad sectors by marking them as bad sectors.

chckdsk yes, but its not picking up the issue