Accidentally denied admin User's folder. how can I get it back?

I was trying to create two admin accounts. admin1 and admin2.. and I wanted that admin2 to denied access to C:/windows/Users/admin1 folder. but I mess it up.
now both admin2 and admin1 cant access the folder help how can i get it back?

Hi,

If you're not too badly denied you may reset it's permissions.

With an Elevated Command Prompt run the following command,

Code:

icacls "C:\Windows\Users\admin1" /reset