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I prohibited all types of access (full access, changing, reading writing) to the specified folder for the group "All Users". After that, even Built-In Admin can't access this folder.

Now I can't rollback those permission changes even from the account of Built-In Admin.

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migrated from Mar 31 '13 at 14:19

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Are you trying to do this through API calls/programmatically, or just in general? If the latter, it may be better suited for SU. – ssube Mar 31 '13 at 7:20
I do in general. – Engineer Spock Mar 31 '13 at 7:41
You should not ask general questions here. – Atique Mar 31 '13 at 9:41

1 Answer 1

If you remove ALL permissions to a file or folder you have to take ownership of it before you can do anything to it. Properties | Security | Advanced | Owner | Edit. I recommend that you login as Administrator and set owner to the “Administrators” group. Then you can reset permissions.

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