Recovering from Grub Rescue after upgrading to Ubuntu 11.04

Over the weekend I upgraded one of my computers to the new beta of Ubuntu. Upon restarting the computer I got dumped into grub-rescue with the message missing-xputs. Part of the cause of this was having Adobe CS3 installed in my dual boot with Windows 7.

When you install Adobe products a little DRM program called FlexNet gets installed into your boot sector which is also where grub resides. When grub is upgraded along with Ubuntu it flicks a warning about the FlexNet being in the sector but then continues to install. However, when you restart grub will not run and will be unable to boot your system into either Ubuntu or Windows.

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