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Windows 7: CCleaner Tip

27 Aug 2011   #11
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

To me it's silly to use a third party software to do a wipe when Windows will do it natively, Methods One and Two for the entire HDD and Method Three for a file specific wipe.


Secure Erase / Wipe : Definition and Methods





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27 Aug 2011   #12
bru

Win 7 Home Premium x64
 
 

Quote   Quote: Originally Posted by Bare Foot Kid View Post
To me it's silly to use a third party software to do a wipe when Windows will do it natively, Methods One and Two for the entire HDD and Method Three for a file specific wipe.
Secure Erase / Wipe : Definition and Methods


I'm a bit confused (not surprising!), BFK's link states that using the MS tool the entire drive will be wiped

A secure erase or more commonly referred to as a wipe is a way to over-write all existing data on a Hard Disk Drive (HDD) / Solid State Drive (SSD) with at least one set of binary zeroes ( 0 ) or ones ( 1 ) so the data cannot be retrieved.

I thought the OP used CCleaner to wipe only free space on his HDD. Either way I think I'll stay away from this option unless absolutely necessary.
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27 Aug 2011   #13
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

Hello Bru.


Yes if you're not sure how to use these very destructive tools, it is best not to attempt this.



Though Method Three is a "file shredder" type option that is available using Windows.
Note   Note

This is similar to what is commonly known as a file shredder, making it no longer necessary to use third-party software to do a secure delete (secure erase) of files or any other data you need to over-write so they can't be recovered from your system without your knowledge.

This does not simply delete data it's pointed at, it completely over-writes it.
Permanently Delete - Add to Context Menu

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27 Aug 2011   #14
seth500

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by Bare Foot Kid View Post
Hello Bru.


Yes if you're not sure how to use these very destructive tools, it is best not to attempt this.



Though Method Three is a "file shredder" type option that is available using Windows.
Note   Note

This is similar to what is commonly known as a file shredder, making it no longer necessary to use third-party software to do a secure delete (secure erase) of files or any other data you need to over-write so they can't be recovered from your system without your knowledge.

This does not simply delete data it's pointed at, it completely over-writes it.
Permanently Delete - Add to Context Menu

That is what I choose if you always use that to erase with there is no need to wipe free space ever. If if you don't use it by the time you do a clean install you can wipe that drive and get all the info off of it anyway.
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27 Aug 2011   #15
murmatron

Windows 7 Pro x86
 
 

Apart from throwing a spanner in the works of any data recovery or forensics exercise the only tangible benefit of wiping free space is that it will cause a disk that has pending sectors in the free space to either mark the sectors good (if it can be written) or remap them (if the sectors can't be written).
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27 Aug 2011   #16
Roderunner

Win7 H.Prem. 32bit+SP1
 
 

Thanks Bill2
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27 Aug 2011   #17
Wishmaster

Windows 7 Home Premium 64bit
 
 

Well, as many of us already know, when you delete something it doesn't really get deleted.
The OS just marks that space as empty so it can write over it, even though the DATA is still there.


My understanding is that the free space wipe it zeros out blocks on the drive that were flagged as empty. Essentialy actaully erasing the DATA those blocks actually contain.


Its quite possible Im wrong here, but thats how I understood it.

So theoretically, I suppose it could provide some benefit. but it would seem to me it would only affect write speeds, although may not be noticeable.




Personally, if theres DATA I truly want completely destroyed, I just use the File Shredder in Acronis. I just think it does a better job a getting rid of things you're certain you no longer want.
The only downside is you need be sure, because there is no retrieving it afterward.
For prepping a complete drive, I like the Drive Cleanser.
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27 Aug 2011   #18
Roderunner

Win7 H.Prem. 32bit+SP1
 
 

Hi Wishmaster,
Using Acronis file shredder is another thing I've never used, thanks for mentioning it.
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27 Aug 2011   #19
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

In the lower left of Ccleaner is wipe free space. I have used it once to wipe $RECYCLE BIN. I did it to make sure some things I removed would not come back. I could of waited for a wright over but not knowing how long that would take I chose to wipe free space which wiped $RECYCLE BIN.
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27 Aug 2011   #20
zsxd45

Windows 7 Ultimate x64
 
 

Good Tip, I have used CC cleaner and it appears not to detect what other registry cleaners have detected
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