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Windows 7: Purging MFT

12 Mar 2012   #1
LM2008

Windows 10 Home 64b
 
 
Purging MFT

I downloaded a program 2 months ago for purging the master file table. I read somewehere (but not from an expert) that it mess the hard drive and system, is it true? i have not encounter any corruption problem. I use it to delete entries or names of sensitive data.


My System SpecsSystem Spec
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12 Mar 2012   #2
soho1

Win 7 Pro 64-bit
 
 

What program?
My System SpecsSystem Spec
12 Mar 2012   #3
LM2008

Windows 10 Home 64b
 
 

Directory Snoop
My System SpecsSystem Spec
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12 Mar 2012   #4
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

I'm wondering if it was Ccleaner? The reason is that I just ran it yesterday, and for the first time selected for it to wipe free space. As it neared completion, a warning dialog appeared, saying that my C: drive was 96% full. I opened O&O defragger, and it showed the drive covered with red fragmented blocks. When I closed Ccleaner and had O&O analyze the drive again, all of those extra red blocks had disappeared. I'm guessing that the program was locking those blocks until completion, but that is just a guess.
My System SpecsSystem Spec
12 Mar 2012   #5
soho1

Win 7 Pro 64-bit
 
 

From what I read of it, you are only doing what any secure file eraser would do, that is, wiping out the filename from the directory. Normally, for security purposes, erasing the file contents is not enough, as you might want to remove the name of the file from the directory, which could otherwise be recovered by prying eyes. If you had wiped the names of non-deleted files, you would have nothing left. You only deleted the names of the files whose content you erased. You know what I mean?
My System SpecsSystem Spec
12 Mar 2012   #6
LM2008

Windows 10 Home 64b
 
 

I have used Ccleaner too, but it seems it just wipe empty space. Directory Snoop remove the entries from the MFT so new data can be written. No problem with Ccleaner or Snoop for me, yet.

It is normal to say that is almost full, but it will normalize after finished.

Soho, so risky par of purging is if non deleted files are purged from mft? that was not explained where i read it before, thanks then.
My System SpecsSystem Spec
13 Mar 2012   #7
pincushion

Windows 7 x64 SP1
 
 

Quote   Quote: Originally Posted by LM2008 View Post
I downloaded a program 2 months ago for purging the master file table. I read somewehere (but not from an expert) that it mess the hard drive and system, is it true? i have not encounter any corruption problem. I use it to delete entries or names of sensitive data.
I've never found a problem due to purging the MFT and DS seems to do the job as well as other software - not an expert also but that is my experience.

My System SpecsSystem Spec
13 Mar 2012   #8
LM2008

Windows 10 Home 64b
 
 

Thanks for your reply.
My System SpecsSystem Spec
13 Mar 2012   #9
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Someone enlighten me please. I understand that a file remains, even after deletion, but I would have thought that the file's name would have been deleted from the MFT. If not, then I would have thought that it would be deleted after the file had been wiped. If neither of these are true, then how does having the name in the MFT impair performance in any fashion?
My System SpecsSystem Spec
13 Mar 2012   #10
LM2008

Windows 10 Home 64b
 
 

If you delete the name of a give file, Windows will not find it on the disk, even if it's there because there's nothing pointing to it.
My System SpecsSystem Spec
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 Purging MFT




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