Deleted Windows bootmgr partition dual boot

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http://askubuntu.com – I seriously messed up my dual boot system. I had windows 8 installed alongside Ubuntu 13.10, and everything was working fine with GRUB. I decided to get fancy and tried to install EasyBCD, but messed stuff up. Here is what I am working with: 401MB of Unformatted space /dev/sda3 NTFS Windows Reserved space /dev/sda4 NTFS Windows partition /dev/sda5 ext4 Ubuntu partition /dev/sda6 linux-swap If I remember correctly, there was a fat32 partition in the Unformatted region, but I think I deleted it. When I do update-grub on the Ubuntu partition, it does not even see the Windows 8 partition, b (HowTos)