code:

---

;NoPassport.kix
;
;Add to your logonscript.
;
if KEYEXIST("HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\passport.com")=0
	ADDKEY("HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\passport.com")
endif
WriteValue("HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\passport.com","*","4","REG_DWORD")

---

Give it a try. I ran it and was no longer able to open Hotmail.