After the Win7 system runs the activation tool, what is the reason for denying access?

What happens when the Win7 system runs the activation tool and prompts to deny access?

1. Close and exit anti-virus software, security guards and firewalls;

2, enable administrator account: Administrator; enable method: click the start button, find the “ computer in the pop-up menu ”, right click on the "Computer" icon, select "Manage" "Click to open"Local users and groups", select users, see all users of the machine in the right window; at “administrator” Right mouse button & ldquo; attribute & rdquo;; tick off & ldquo; account deactivated & rdquo;;

3, log out the current user, use the administrator Administrator login system;

4, open the computer C drive , select: Organization -> Folders and Search Options -> View, Cancel & Hide Privacy File (Recommended) & rdquo; Select “ Show Hidden Files, Folders & Drives & rdquo;. When canceling the "Hide Protected Operating System Files (Recommended)" item, there will be a warning prompt, select “Yes>;

5, find the OEMSF file in the C drive, right click The file selects “Administrator Takes Ownership", right click on the file again to select “Properties", remove the checkmark from “read only”. Run the activation tool again to activate win7;

6. After the activation is completed, restart the computer and the activation is complete. View system activation status.