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From: Bill Stewart <bstewart AT iname DOT com>
Date: Wed, 15 Jul 2020 07:49:30 -0600
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Subject: Re: need to fix permissions
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On Tue, Jul 14, 2020 at 6:34 PM <briand@...> wrote:

the cygwin home folder is giving me a LOT of trouble with access denied.
>
> i've tried takeown and icacls to fix permissions, and strangely it worked
> for _Some_ files, but i still have files which i need to back up which are
> causing "access denied" errors.
>
> i'm hoping someone who understands how cygwin has set permissions can give
> me a way to fix-up the permissions in ntfs land.
>

The following is what I have used successfully in the past and should reset
everything:

1. Open an elevated PowerShell or cmd.exe shell

2. Take ownership to Administrators group:

takeown /F "C:\cygwin" /A /R /D Y

3. Reset all file permissions:

icacls "C:\cygwin" /reset /T /C

4. Reset the file attributes:

attrib -h -r -s "C:cygwin\*" /s

Bill
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