There are probably bad sectors where the Bad Folder resides on, not allowing you to access it. It will just say You do not have permission to....
Run Check Disk on the D: drive.
Go to Start/Search and type CMD, Right click the CMD results and Run As Administrator. In the Elevated Command Prompt type the drive letter of the drive (eg) D: and press enter if it is not already selected (eg) D:\> type chkdsk /R and press enter. Now type a Y for Yes to Unmount the drive (that is if you are booted into C:, if booted into D: then restart the computer) Check Disk will run and go through 5 stages checking for bad sectors and finding orphaned files. This will take a long while.
Run Check Disk on the D: drive.
Go to Start/Search and type CMD, Right click the CMD results and Run As Administrator. In the Elevated Command Prompt type the drive letter of the drive (eg) D: and press enter if it is not already selected (eg) D:\> type chkdsk /R and press enter. Now type a Y for Yes to Unmount the drive (that is if you are booted into C:, if booted into D: then restart the computer) Check Disk will run and go through 5 stages checking for bad sectors and finding orphaned files. This will take a long while.