Missing part (BOOT.INI) Vista B2; after installed XP Pro SP2 to bo

I have problem! Missed boot vista! I when add installed vista last days ago
fine worked it good boot. But WinXP Pro boot broken! some I reinstall CD
clean to install done then now done what happen missed boot Vista I checked
list missing part called (BOOT.INI) I need add missing correct parts:

[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(2)\WINDOW S
[operating systems]
multi(0)disk(0)rdisk(0)partition(2)\WINDOWS="Windo ws XP Media Center
Edition" /NOEXECUTE=OPTIN /FASTDETECT
multi(0)disk(0)rdisk(2)partition(1)\WINDOWS="Micro soft Windows XP
Professional" /noexecute=optin /fastdetect

(C Disk 1 HD: XP Media 2005 UPRoll:2
Disk 2 HD: XP Pro SP2
Disk 3 HD: Vista Beta 2 (X86 and X64)

Please help correct parts fix