Windows 10: Why am I unable to change the permissions on the scans folder?

So I got a notification from windows defender for a threat named "PUA:Win32/Presenoker". I searched on youtube on how to remove it and as I was following the tutorial, they accessed a folder called "Scans" and I tried opening said folder but to my surprise I was unable to open it cause I don't have permission even though I'm the owner of this computer. So then I looked up another tutorial on how I can gain access to folders where you don't have permission. Then I followed that tutorial, but then another problem blocked me from advancing with this problem. So I go to the security tab to change

:)

 

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.

 

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.

 

how to change folder and file permissions in windows 10

this is for a file... how for a folder and ALL subfolders and files

thanks.