Hi: In recent months using Windows 7 and Windows 8.1 laptops and 5 USB devices (3 are WD and 2 are Seagate) many, but not all of my folders are empty, meaning their subfolders are empty with all files missing. While I’m not absolutely certain, I think the empty phenomenon begins with the base folder on the partition of the hard drive and not beginning downstream in a subfolder. An old Vista laptop also finds empty folders on the USB hard drives.. Over the years going back into the late 1990s I’ve backed up to various USB devices and some of these folders may have gone through my next computer every year or 2 and are now on the USB devices. More recently, I have noted empty folders on the secondary internal hard drives on both the Windows 7 and Windows 8 laptop. Probably all folders (many of you which contain folders within folders within folders within folders etc.) are present but many are completely empty. This includes some recent files from my current computers. I have no reason to believe that there are partially empty folders, it appears to be an all or non-phenomenon. This occurs despite re-installing increasingly older Windows 7 C:\ images as well as after a recent complete DVD Windows 7 installation performed, hoping this would correct my problem. Also the Windows 8.1 computer has unsuccessfully had increasingly earlier multiple True Image C:\ restores and at least 2 probably 3 fresh installations of Windows 8.1 At least one of the properties dialogs indicates 52 GB of data in a folder yet all sub-folders are empty. Recuva freeware did not help. Nothing is hidden in folders. Everything is displayed. Windows 7 is protected by the paid Malwarebytes and multiple scans. Windows 8 is protected by multiple scans using the freeware Malwarebytes. I will greatly appreciate advice.