I got an external flash drive, plug into my school's lab for use, and came back noticing all my folders have gone missing! The space shown taken is still the same, then i played around with all Folder Options, unticked "Hide Protected Operating System files" option and voala! All my folders are there! I suspect some virus from the lab is messing with this, but is there a way i can revert this ?
That's because the folder is being assigned with the system attribute
Just open command promt with admin priviledge and run
In command prompt, type this:
P.S.: All caps; it won't work if you use the lower case.