I am running Eraser 5.86.1 on a Vista x64. I recently backed-up every DVD I own in preparation for a deployment to Iraq. Obviously, recovery software finds several dozen .IFO and .VOB files. I would like to erase unused disk space to make recovery of other files easier. I create the task for both the C: and D: drives (both 250GB western digitals) on a DOD method. When I "Run All Tasks" the tasks complete almost instanly but nothing is actually deleted. I have checked the forum but do not know where to start. Any help would be greatly appreciated. Thank you all for your help and thanks to Heidi for making a great program that works beautifully. Well, until now.