Question: I'm moving some files around on the server (Windows Server 2003), and there's a locked file that no one seems to have open. How do I delete this file?

Answer: 
SysInternals has a tool called MoveFile that will do move or delete the file upon reboot of the machine.

[MoveFile link](http://technet.microsoft.com/en-us/sysinternals/bb897556.aspx)
A few methods are here:
<http://www.geeksaresexy.net/2007/06/04/how-to-delete-an-undeletable-file/>