Hi Fernando,
Welcome to Microsoft Community.
I'm Hahn and I'm here to help you with your concern.
I'm sorry to hear that you are having trouble with Windows 11 file permissions. It's possible that the issue may be caused by changes in the default permissions settings in Windows 11.
To troubleshoot this issue, you can try the following steps:
- The file permissions may have been changed. You can try to restore the default permissions by using the icacls command in the Command Prompt. For example, to reset the permissions of the C: drive, you can type:
icacls C:\ /reset /T /C /L
- The file ownership may have been transferred to an unknown account, such as S-1-15-3, which is a security identifier for a Microsoft app container. You can try to take back the ownership by using the Properties > Security > Advanced > Change option in the File Explorer. You can also use the takeown command in the Command Prompt. For example, to take ownership of the C: drive, you can type:
takeown /F C:\ /R /D Y
- The file system may have been corrupted or damaged by a power outage, a disk error, or a hardware failure. You can try to repair the file system by using the chkdsk command in the Command Prompt. For example, to check and fix the errors on the C: drive, you can type:
chkdsk C: /F /R
Disclaimer: Running chkdsk can check the file system and file system metadata of a volume for logical and physical errors. To avoid any trouble for you, do not cancel or interrupt chkdsk, and back up important data.
- Check Event Viewer: Look for relevant error messages in the Event Viewer that might provide more information about the permission issues.
Please note that some of these commands may take a long time to complete, and you may need to restart your computer after running them. Also, please be careful when modifying the file permissions and ownership, as they may affect the security and functionality of your system. It is recommended that you back up your important data before making any changes.
I hope this helps. If there is anything not clear, please do not hesitate to let me know.
Your Sincerely
Hahn - MSFT | Microsoft Community Support Specialist