Just write your own little script in AutoIt or similar to rename your window. It can be done with a few lines of code.
edit: one line of code :p
use this funciton in AutoIt:
WinSetTitle ( "title", "text", "newtitle" )
edit: one line of code :p
use this funciton in AutoIt:
WinSetTitle ( "title", "text", "newtitle" )