Today i will help you Fix Error 0x8004240f, “Failed to create a new partition on the selected unused space” while installing Windows 7. I found it when i trying to create a partition of windows 7. This error cased by the capacity of windows disk management . You need using mini-tool partition wizard home edition for create partition on windows.
Step 1: Download mini-tool partition wizard home edition at
Step 2: Setup it as this video