Computer Help forum


How to make a file undeletable?

by lukigno95 / November 20, 2013 1:28 AM PST

HI Happy

I have a windows 8 pc 64bit

I'd like to know how to make a file in the system32 folder undeletable or very difficult to do.
This file is in system32>Drivers.
I tried with lock hunter but doesn't lock system file.

The file must be undeletable from the administrator (me) but readeble

It's for a good cause Wink

Thank you for your help Grin

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All Answers

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Odd idea, but we used to do this as a hack
by Steven Haninger / November 20, 2013 1:38 AM PST

Way back when, my son had some game that required the floppy disk be reinserted about every 5th launch in order to verify it wasn't pirated. My workaround was to find the file (it was hidden) and copy it to another location. I made a batch file to copy the "clean" file back into the program folder whenever the game was launched. It never asked for the floppy again. I suppose you could do something like that. In any event, if preserving the file is that important, you want a backup copy of it somewhere.

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I mustn't delete
by lukigno95 / November 21, 2013 2:09 AM PST

I need something that make that i can't delete it .-.

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Keep in mind this is not a feature of NTFS.
by R. Proffitt Forum moderator / November 20, 2013 1:49 AM PST

I can't guess how long you've been at this but NTFS permissions and you've exhausted the usual methods noted in past discussions like

"If your account is an Admin account and not a limited user, your final result is impossible. By definition, an Admin account has full permissions to any object on the system, either explicitly or implicitly through "Take ownership"."

Even so you may encounter someone new or old to Windows, NTFS and insistent that this is a feature in this rather old OS and file system.

With all that behind us you could write an app that opens said file and places a file lock on it. As explorer and such won't delete a file in use, that app would bandaid this one. And if the programmer is really good they would convert it into a service.

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by lukigno95 / November 21, 2013 2:10 AM PST

Is there any software to do this? Happy

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There could be.
by R. Proffitt Forum moderator / November 21, 2013 2:16 AM PST
In reply to: Software?

I think this might be all of 20 or less lines of code in the language of your choice. Visual Studio has free versions so that's not a big hurdle.

What you are asking for is not supported by the OS but we could work around it.

I should add this nugget about svrany to complete the needed tools.

But I would be guessing if you expected this to be some ready to use app replete with friendly GUI, manuals and support. To that question, no, I've never seen such but as a programmer I offer up the idea for you to implement.

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by lukigno95 / November 21, 2013 6:04 AM PST
In reply to: There could be.

I'm not a programmer i kow nothing about programming :S

As soon as i have a few free time i'll read the link that you posted and i'll reply you Happy

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OK, I fibbed.
by R. Proffitt Forum moderator / November 21, 2013 6:18 AM PST
In reply to: Programming

It should be a handful or less lines of code. You know what you want to do, just a file open command then to go to sleep. That's 2 lines long.

Seems like any technical user that knows what they want would do this. That is, you know enough about the OS that you knew it won't do what you want natively and you also know it would let you delete a file that is open so time to apply what you know.

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