Please can you help me with my hard disk

i have a western digital hard drive 1 tb
the proplem sometimes when i for example open
a folder with media files ( videos and movies files) it takes sometime to load images from the videos and movies
why
and whats the proplem
does the proplem with my hard drive?
the windows on my other hard drive hitachi
here is a report from my western digital hard drive
can you tell me if there is a proplem in my hard drive