Everything I guess is fine now. But the warning is still there? Do you think nothing is affected by that error? I'm worrying because most of my important files supposed to be put there.
Data transfers over the SATA cable are error checked. Bad data are retransmitted. I can't see that the integrity of your data would be compromised, but you may or may not experience a performance hit.
Windows sometimes downgrades a drive's performance from UDMA mode to PIO mode if it detects too many CRC errors. You will see a major slowdown if this happens.
