I am new to Linux, and I've trying to install Ubuntu 12.04 LTS (dual boot with Windows XP). I choose to add new partition (FAT32 150 GB) for the shared folder. But when I pressed the install button, the installer warned me : Failed to create the 150 GB shared partition. So I turned back to the partition section and changed the shared partition to 50GB FAT32 (/mnt/shared). I pressed the install button and I was successful. But, when I boot Ubuntu, I could not find this 50GB folder. QUESTIONS: 1. What is wrong with the 150GB size? Is my hard disk failing? 2. Why is the 50GB shared folder not showing? Thank for the help.