Unable to take ownership

Hi,

I'm having some problems taking ownership of a file. I need to be able to take ownership so I can move it.

First, I have installed a .reg that I downloaded to let me right click on files to take ownership. When I right click on files, it does appear in the menu, and it does appear to work. HOWEVER, it does not show up on the file that I need to take ownership on. The file is an .exe -- does that make a difference? I tested to see if it would appear on other .exe files and it does not.

I tried doing it manually in cmd (running cmd as an administrator):

I used quotations because there are spaces in my directory.

Once again, this works for all the files EXCEPT the one I need to take ownership of (says success for all other files)

and

Is there anything else I can do in order to take ownership ?