![]() The issue seems to be that in CCleaner v "Wipe Free Space" will not run unless "Wipe MFT Free Space" is checked. ![]() Okay, but we're getting off topic, I suppose. But the thing is, I have used only 40.5GB of my 200GB hard-drive, so what the hell is CCleaner going to wipe Im used to run CCleaner every day, so there shouldnt be 40GB of trash floating around on my hd. Makes you wonder about what secrets I must harbor on my PC. Ok, so I was running CCleaner and when it got to the wipe free space part, it said it would remove about 41000MB. When I would sell my computer, I would feel safer if I used some program for advanced wiping. ![]() Whether 1 pass will be enough or whether there is need for a more advanced wiping method, that's depending on what information was on that computer and depending on how anxious you are about someone using advanced technologies to recover deleted data. But they will either be all zeroes or small zero files. Is there any harm when checking Old Prefetch data, IIS Log Files, User Assist History options Also, is it true the more Wipe Free Space is used the better Thanks, as you can see I am new w/this feature. After a WFS Recuva will still list all these deleted records, with file names which may be valid or not, and these files can be recovered (in as much as the files overwritten data can be retrieved). Ive been hesitant with using the wipe free space in the advanced section. Particularly when you sell a used computer you might want to clean up all personal files and also thoroughly wipe free space to make sure there are no leftovers to be found. A WFS may - depending on the settings - overwrite the file names in the MFTs records. Well, when does one ever need to wipe free space, anyhow?Īnd when does one need to use more than one pass?ĭepending on what's on one's drives, it could be advisable to thoroughly wipe free space when other people have access to those drives. The reason for this is that the operating system only deletes the pointer. ![]() The amount of 'free space' stays exactly as before the operation. All that wiping does is write one big file that expands to fill up all the free disk space, then delete this file when the disk is full. Do you really ever need to use more then 1 pass? No, wiping free space on a disk does not free any space on that disk. ![]()
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