My Book 3TB Getting Cyclical Redundancy in several folders

My My Book 3TB is starting to get the Cyclical Redundancy error when trying to open a couple folders and is running slow in the others. Any assistance is appreciated. I checked the warranty status and it still has an active warranty.

Hi, you can run a test using DLG. Check the link below for the steps. 

How to test a drive for problems using Data Lifeguard Diagnostics for Windows