Ubuntu 11.04 And Windows 7 Installation Steps

Total Disc Capacity 298,09GB

This is the desired distribution :
 - 100GB (Windows 7)
 - 100GB (SharedDisc)
 - 98,09 (Ubuntu11.04)

1. Resize you Windows (C:) partition to 100gb using ComputerManagement > Storage > DiscManagement
2. Run the ubuntu liveCD on the option "Run Ubuntu" and using "gparted":
    2.1 Create an 198,09GB extended partition
    2.2 Inside the recently created extended partition: create another 100GB NTFS logical partition called SharedPartition.

3. Run the ubuntu liveCD on the option "Install Ubuntu" and follow the instructions:
    3.1 On the "allocate drive space"screen select "Something else".
    3.2 Create the swap partition i.e. 4096MB
    3.3 Create the ext4 partition with the free space left with "/" mount point
    3.4 Click on "install now"

References:
http://www.datanoia.com/tutorial-como-instalar-ubuntu-9-04-sin-formatear-windows.html
http://www.killertechtips.com/2009/05/05/how-to-resize-partitions-in-windows-7/