Trying to delete file, but can't.

You can try hitting Alt-Ctrl-Dlt at the same time, this
brings up the Windows Task Manager. Sometimes you can
find the file running in here. If so, right click on it
and choose close. Then try deleting it again. It should
work now.
>-----Original Message-----
>I am using Windows XP and I can't for the life of me
figure
>out how to delete an .AVI file. Whenever I try to delete
>the file I get this message:"Cannot delete XXXXXX. It is
>being used by another person or program. Close any
programs
>that might be using the file and try again." Believe me
I
>have closed all the programs that I can and still I can't
>delete the file! I have restarted my computer God knows
>how many times and still I can't delete the file!!!! I
>have even looked in the registry to see if I can locate
>anything that might be causing this but to no avail.
>
>There is only one person using this computer, namely me,
so
>I am the administrator.
>
>Can anyone suggest a solution for me?
>
>Thanx a lot!
>
>Avon.
>
>.
>