Disk error what does it mean?

Hello,

i had soem problem with my pc it dont want to start up sometimes so i did a Data lifeguard diagnostic for windows test and got this error below, dose any one know what it means? also it ask me if i wanted to repair it and it say that i will lose data where it repair. as i am newbie with this things so i wonder if the error mean something more?

warm regards A

Test Option: QUICK TEST
Model Number: WDC WD3200AAKS-75VYA0
Unit Serial Number: WD-[[DELETED]]
Firmware Number: 12.01B02
Capacity: 320.07 GB
SMART Status: PASS
Test Result: FAIL
Test Error Code: 06-Quick Test on drive 1 did not complete! Status code = 07 (Failed read test element), Failure Checkpoint = 65 (Error Log Test) SMART self-test did not complete on drive 1!
Test Time: 13:35:47, November 20, 2015

Test Option: EXTENDED TEST
Model Number: WDC WD3200AAKS-75VYA0
Unit Serial Number: WD-[[DELETED]]
Firmware Number: 12.01B02
Capacity: 320.07 GB
SMART Status: PASS
Test Result: FAIL
Test Error Code: 08-
Test Time: 16:51:59, November 20, 2015

It unfortunately means your hard drive is not healthy and should be replaced under warranty. The following link contains information related to RMA requests:

How to get an RMA, (Return Merchandise Authorization) or replace a defective product under warranty