[ubuntu] Help Me to Run Triple Boot

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http://ubuntuforums.org – At Present i ve Windows 8 & Windows Server 2008. Now i want to install Ubuntu and run triple boot when i install linux after windows server 2008 and windows 8, it didn't show windows in boot menu only linux will show there(i installed grub loader to sda) i think this problem can overcome by installing grub loader to /boot partition(while trying to install grub loader to /boot linux installation crashed) Help me out from this issue. I want to run Triple boot Windows Server 2008, Windows 8 & Ubuntu (Hardware)