Win7 needs permission from SYSTEM to solve the file change

1. You can enter the safe mode and delete it directly. 2. You can also delete the permission in the normal mode by following the steps below: 1 Click the folder you want to get permission, “ ”-“Properties", let's first take ownership of this folder, point to "Security"-“Advanced"-“Owner”. Then click "Edit" "-“Advanced"-“Other users or groups", enter your username in the input object name, or click “Advanced"-“immediate" , select your username, ok, then select “ replace the subcontainer and the owner of the object & rdquo;, if you do not choose this, we only have the ownership of this folder, and there is no subfolder and files inside it Ownership, then "application”-“determine", so we have ownership of this folder. 2 Click "Permissions"-“Edit”-“Add”, fill in your username or use "Advanced”-“Find Now”, OK, then click on your user Name-“edit”,“full control”/allow that tick, OK, and then replace the existing inheritable permissions on all descendants with the permissions that can be inherited from this object, as before, this does not Tick ​​you only have the folder permissions outside, the folder inside can't be "completely controlled", then click "Apply" - "-" and "determine" & rdquo; - & ldquo; determine & rdquo; - & ldquo; determine & rdquo;. So what do you want about this folder!