On Windows we'd say like SuperFast's post above to just delete that/those huge files in the root of the drive, and/or to once again run Wipe Free Space and this time be patient and let it finish and it should remove all those files.
On Windows we'd say like SuperFast's post above to just delete that/those huge files in the root of the drive, and/or to once again run Wipe Free Space and this time be patient and let it finish and it should remove all those files.