Your disk is not reading few files properly
You have to first download the files from Gmail. You can put them anywhere on your hard disk. Then you can burn them to disk.
When prompted to format the floppy disk, click NO. Especially if the disk has files that you wish to access. Formatting the disk erases EVERYTHING on the disk and starts the disk anew.
They are called FRAGMENTED files
if disk is able to read rest of the files then disk is good but there is some problem in that files which are not readable. do one thing just try to copy those files and paste it any location and try to open it . if it is unble then sure that those files are corrupt.
WinImage or Undisker for image files IsoBuser for Iso files
you copy all the original files to a another hard disk or flash drive before formatting the disk with the original files
A fragmented disk contains temporary Internet files and unused program files that need to be deleted.YOLO
Because unused files accumulate space on hard disk and also causes fragmentation of hard disk.
It just means that there is not enough capacity on the concerned disk. If this message is shown, you can copy no more files to the disk. In this case, you need to remove unwanted files and programs or move them to another disk or media. This way, you can create space for new files and programs.
Files? Documents? Folders? Programs?
Disk Defragmenter