If you look carefully at the image you provided
"http://i811.photobucket.com/albums/zz31/zeronos_rider/Untitled.png"
You will see under disk drives, "Maxtor Basics Portable
Device"
Go to MY COMPUTER and (since you say you cannot access
the file, I assume it is there) right click on the drive and choose
PROPERTIES
Go to tools and choose "CHECK NOW"
Do not make any selection and click on
"start"
If it is a simple problem this should fix
it.