possibly a .dll or other system file hasn't been dropped from the ram
yet.
usually means its in use
reboot and try again
or you can try some of the programs that will help you do it (for
free; dont buy anything)

On Jun 9, 10:25 am, linx4p...@gmail.com wrote:
> I am trying to delete a file under the Program Files directory in Win
> XP Pro SP 2, but I get an "Access Denied" modal dialog box, even
> though my user name has administrator status. This directory tree
> seems shows up as Read Only in the Properties dialog, but I get the
> same "Access Denied" when I try to remove the read only status.
>
> I ran into the problem attempting to install MySQL; it was unable to
> write a file all of a sudden during the install process.
>
> What's going on? How can I get around this and delete old files under
> this directory tree?