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Windows 7: Serious bug in win7

02 Nov 2011   #1
100126439

7 64
 
 
Serious bug in win7

i've accidentally set Administrators Group deny Full control on a harddisk using Administrator account.

and now nomatter what i do still can't get my permissions back.

i've try takeown ,cacls commend ,all got access dened
even run as SYSTEM still can't.

HELP





My System SpecsSystem Spec
.

02 Nov 2011   #2
jcgriff2

Windows 7 - Vista
 
 

Hi -

See if Windows System Restore can help - choose a restore point before the permission setting changes -
START | type rstrui

Regards. . .

jcgriff2

`
My System SpecsSystem Spec
02 Nov 2011   #3
100126439

7 64
 
 

i've disable Windows System Restore
and no backup any restore point
My System SpecsSystem Spec
.


02 Nov 2011   #4
Corazon

Windows 7 Professional SP1 32-bit
 
 

I'm afraid you're left with a clean reinstall of Windows then...however, if you can, install the new Windows to a different harddisk or different partition, then you might be able to regain ownership of any files you need to recover from the current system.

Messing with permissions from an administrator account without having restore points or backups is not very smart. Sorry to be blunt...
My System SpecsSystem Spec
02 Nov 2011   #5
DeaconFrost

Windows 7 Ultimate x64 SP1
 
 

If I go out to my car and throw a wrench through my front windshield, I can't call it a bug and blame BMW. There is absolutely no reason to be messing with permissions on Windows 7, especially not on your system volume. As mentioned, it seems like your only option is to back up and do a clean install.
My System SpecsSystem Spec
02 Nov 2011   #6
100126439

7 64
 
 

its was a accident
i've click cancel immediately when the loading bar comes up.

why even system account can't access this ?
i only set the Administrators group deny
system account is a member of admins group?
as i remember the system account have full control of this harddisk
My System SpecsSystem Spec
02 Nov 2011   #7
Sub Styler

Windows 7 Ultimate x64
 
 

You could try Hirens Boot CD (google for download link) there is a tool called NTFS Access 2.1 that may be useful to you.
My System SpecsSystem Spec
02 Nov 2011   #8
DeaconFrost

Windows 7 Ultimate x64 SP1
 
 

If it was me, I would probably just go the route of the clean install. I wouldn't ever trust a system again once it had an issue like this. In two hours, you could be back up and running with a new install, fully updated.
My System SpecsSystem Spec
02 Nov 2011   #9
lehnerus2000

Windows 7 Ultimate SP1 (64 bit), Linux Mint 17.1 MATE (64 bit)
 
 

Didn't someone post "How to restore Windows default permissions" instructions on a thread recently?

I'm am sure I read something about it on this site in the past few weeks.
I'll try to find it and post the link.
My System SpecsSystem Spec
02 Nov 2011   #10
lehnerus2000

Windows 7 Ultimate SP1 (64 bit), Linux Mint 17.1 MATE (64 bit)
 
 
You could try this ...

Have a look at this thread:

Restore security permissions to default settings??
Restore security permissions to default settings??

WARNING:
I haven't tried this, so I can't verify it's accuracy. Use at your own risk.
My System SpecsSystem Spec
Reply

 Serious bug in win7




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