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Windows 7: CCleaner Tip

27 Aug 2011   #21
mjf

Windows 7x64 Home Premium SP1
 
 

I hadn't noticed the feature before. I can't see how it could improve performance but it could be a very useful tool if you wanted to handover an operational computer with sensitive deleted files wiped.
Its security options are
Simple overwrite (1 pass)
DOD
NSA
Gutmann
That looks pretty good to me.
Thanks Roderunner.


My System SpecsSystem Spec
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27 Aug 2011   #22
karlsnooks

MS Windows 7 Ultimate SP1 64-bit
 
 

Wiping of free space is a good security measure. Personally, I don't but if I was getting to transport my laptop overseas I would take several steps, one of which would be to wipe the fee space.

One of you chaps should consider updating his CCleaner. The wiper is now accessible via the Tools icon.


Those of you intesested in a free secure delete program will be interested in SDELETE.EXE from the SysInternals folks.

SDelete
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28 Aug 2011   #23
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Wiping free space is not designed to speed up your computer. It is designed to do what is says; wipe free space. After removing a nasty from your computer it may not be removed. I could be in $RECYCLE BIN and just waiting to be activated again. Wiping free spaced also cleans out $RECYCLE BIN. These are my thoughts which are not computer gospel.
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28 Aug 2011   #24
Roderunner

Win7 H.Prem. 32bit+SP1
 
 

If my 'bin' gives trouble, I write rd /s /q C:\$Recycle.bin in elevated command prompt and it fixes C: drive bin.
My System SpecsSystem Spec
28 Aug 2011   #25
LMHmedchem

Windows 7 64-bit enterprise
 
 

Sandforce based SSD drives get slow over time, and this can be fixed by writing 0s to the entire drive. Of course, you have to move everything off of the drive first, which is annoying if it's your OS drive. This is the only use of freespace wipe, I have ever heard of as far as performance enhancement goes. This would not be using a method like NSA, DoD, or Gutman, since you only want to write 0 once so as to not shorten the life of the drive.

Personally I think that if more folks made use of some encryption and file wiping, perhaps hackers would be less inclined to snoop around in the first place.

Good freespace wipe tools also wipe the MFT records and flie slacks. Before I take a backup image of the OS, I do a CClean and registry clean to get rid of temporary junk, remove the page file, do a freespace wipe to blow out all of the MFT, and then defrag/optimize. This keeps the image small and clean.

LMHmedchem
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30 Aug 2011   #26
gregrocker

 

If you noticed performance improvement it was likely from the defrag with optimize you did. You may also have had a ton of disk and reg items which CCleaner cleaned up - sometimes I find 4-5 gb of schmutz and 2-300 Reg shells. Wiping the disk space they occupied isn't a factor.

After ten years I advanced from free Auslogics Disk and Reg Defraggers to the new Puran free defragger with it's Intelligent Optimizer enabled on the Additonal Operations tab. This is the only boot-time defrag with an optmiizer, which moves most-used files to the outer edge of HD where they can be read faster. This provides a performance boost, especially on older HD's.
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30 Aug 2011   #27
Roderunner

Win7 H.Prem. 32bit+SP1
 
 

I have been using CCleaner & Auslogic Defrag + Optimize long before using CCleaner's Wipe Free Space, it definately helped.
My System SpecsSystem Spec
30 Aug 2011   #28
mjf

Windows 7x64 Home Premium SP1
 
 

Quote   Quote: Originally Posted by gregrocker View Post
This is the only boot-time defrag with an optmiizer, which moves most-used files to the outer edge of HD where they can be read faster. This provides a performance boost, especially on older HD's.
I didn't know that! A very useful feature.
But a clash with the inbuilt Windows defrag is a potential issue.

I like the reference to "older HDDs"
My System SpecsSystem Spec
30 Aug 2011   #29
gregrocker

 

That's where I notice the difference. But it could be boot-time defrag which gets System files that are running otherwise.

Cluberti clued me to this when we had a Dell laptop with 2 minute startup for which the Boot Trace indicated HD R/W congestion, and a boot-time defrag cut boot time in half.

So it works.
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