HELP!! file not found error

Ok so everytime i try to inject something i first.

browse through CA folder ETC and find the file i want to replace

then i go down and click add in rezinject and browse to my desktop for the file i want to replace it with. i highlight it then click ok and the STATUS says not found. i tried alot of other one's and i still get this can someone please help?
a screenshot is attached

thank you