Your MBR is probably toast.
Recent versions of windows don't like to be installed onto discs with preexistence operating systems.
You could try installing onto a clean disc - no partitions, no data.
If you want to install Ubuntu onto it, you're going to have to mess around with the grub2 bootloader.
Or just install Ubuntu, and run windows as a virtual machine, should you ever need it.
@NotThamesWater started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Your MBR is probably toast.
Recent versions of windows don't like to be installed onto discs with preexistence operating systems.
You could try installing onto a clean disc - no partitions, no data.
If you want to install Ubuntu onto it, you're going to have to mess around with the grub2 bootloader.
Or just install Ubuntu, and run windows as a virtual machine, should you ever need it.