Data Lifeguard shown error can be repaired but unable to repair error

Hi , 

I have WD3200BPVT hard drive , i just installed Data LifeGuard Diagnostics and run extended test. IN WINDOWS

Result shown that there were some errors and CAN BE REPAIRED. When i clicked repair button a windows popup said unable to repair error.

What should i do ? 

Thanks

Hi, the hard drive could have a problem then, call tech support to see if you can replace it.

http://support.wdc.com/contact/contact.asp?lang=en