Online you can download something called "Take Ownership" this makes an addition to the registry so when you right click any file or folder you are given the option to select "Take Ownership" have FULL access to all its contents.
Visit the below link and "Take Ownership" of the C:\Program Files (x86)\Electronic Arts\Crytek\Crysis 2 folder.
http://www.sevenforums.com/tutorials/1911-take-ownership-shortcut.html
Voila! hope this helped anyone who also had this problem.