Hello, I just installed the Acronis Disk Director and was reviewing the owners / users guide. According to the guide 4.1.13 Wiping unallocated hard disk space PC hard disks can contain a substantial amount of confidential information. Often users forget that private information must be completely destroyed to avoid unauthorized access to it — simply deleting an old file is not sufficient. Windows tools do not guarantee data destruction. Deleted files can be restored easily. Formatting and even deleting a partition leaves hard disk sector contents the same. Acronis Disk Director Suite offers a simple but reliable algorithm for wiping hard disk unallocated space. If you need to wipe unallocated disk space: 1. Select a hard disk and unallocated space in the Acronis Disk Director Suite main window — Wipe unallocated space becomes available on the toolbar. 2. Select Disk Wipe or a similar item in the Operations sidebar list, or click Wipe the selected unallocated space on the toolbar. 3. In the Wipe Unallocated Space window, enter a number of disk passes (up to 99), For information about the Acronis Disk Director Suitedata wiping algorithm see the commentary for 4.1.10 «Deleting a partition». Hard disk 4. By clicking OK, you'll add a pending operation of unallocated disk space wiping. Could someone tell me why the "wipe" icon on the top toolbar is greyed out? In fact, Wipe, Clear and Create Partition are all greyed out. I also went to Disk on the top of the screen and the wipe is greyed out there as well. This program came with Acronis True Image 2009 and I am running Windows Vista Home Premium. Thanks!