If you are using Windows 7 Or Windows Vista then you may know we have to take Ownership of Any System Files before making any kind of changes in it otherwise you won’t be able to edit that file.
So here is the simple way to take ownership of any file right from your context menu.See screenshot below:-
To add this entry into your context menu all you need to do is download the pack from the below link and then unrar it,Then you will get 2 registry file just double click Add TAKE OWNERSHIP OF THIS FILE Option.reg file, it will ask for confirmation just confirm it and its done.
Now you can take ownership of any file right from you context menu.
If in future you wanna remove that entry just double click the Remove TAKE OWNERSHIP OF THIS FILE Option.reg file and confirm it.