Windows 10: how to revert registry edit folder permissions

I accidentally changed permissions for authenticated users in the Policies Folder:Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policiesand now all the windows apps are not working Settings, Security,Clipboard, etcpls help.

:)

 

How to edit permission of folders in vista

In vista if some software try to copy files or folders to original directory then installation fails or programms cant run due to permission.
i want to edit permissions of folder ..but cant select any option..
rightclick on any folder- properties-security-edit-select writre..but i'm unable to edit it.

that's y i'm unable to run some application
even i'm not able to run emule.

plz solve my problem.

 

Editing permissions

Hi ejmw,

Issues that you experience when you try to access files and folders may be related to permissions. Permissions are rules that determine whether you can access or change files and folders. To check permissions on a file or a folder, follow these steps:

• Press and hold or right-click the file or folder, and then click Properties.
• Tap or click the Security tab.
• Under Group or user names, tap or click your name to see the permissions that you have.

To change the permissions of a file or folder, follow these steps:

• Press and hold or right-click the file or folder, and then tap or click
  Properties.
• Tap or click the Security tab.
• Under Group or user names, tap or click your name to see the permissions that you have.
• Tap or click Edit, tap or click your name, select the check boxes for the permissions that you must have, and then click
  OK.

Important: You must be logged on as an administrator to change permissions on files and folders.

Should you need further assistance, don't hesitate to get back to us.

 

Folder won't open due to permission issue

Hello,

Thank you for posting your query on Microsoft community. I understand your concern. Let me help you.

I suggest you to sign out from the current account, restart the computer and log in with Administrators account and

check if it helps to resolve the issue.

I suggest you to refer to the steps below and check if it helps to resolve the issue.

• 
  Press and hold or right-click the file or folder, and then click
  Properties.
  
• 
  Tap or click the Security tab.
  
• 
  Under Group or user names, tap or click your name to see the permissions that you have.
  
  To open a file, you have to have the Read permission. To change the permissions of a file or folder, follow these steps.
  
  Important you must be logged on as an administrator to change permissions on files and folders.
  

• 
  Press and hold or right-click the file or folder, and then tap or click
  Properties.
  
• 
  Tap or click the Security tab.
  
• 
  Under Group or user names, tap or click your name to see the permissions that you have.
  
• 
  Tap or click Edit, tap or click your name, select the check boxes for the permissions that you must have, and then click
  OK.
  

Hope this helps. If the issue remains unresolved, please get back to us with more information and we’d be happy to help.