If you can read this isn't for aIW this is for Mw2 Steam.
Also just because it's posted in private servers dosen't mean it's for aIW if it specifically says,
And it was posted a long time ago, 02-06-2010, with NO recent activity.Q : For what game version is this?
A : This hack is for version 1.0.182, which is the newest (As of 2/5/2010)
it's not gonna work. look for updated stuff dude
PS:/ your using xp