As many of you know, we need to take the ownership of system file that you want to alter by any means. You need to have the ownership to do even simple operations like Renaming and Replacing in vista.
First download “Take Ownership” file from here. Double click on the file to add the file to your Windows registry .Right-click on the file you want to take ownership and then, select “Take Ownership”. Once you done above steps, you are ready to replace or rename the file.