Error : Windows could no prepare the computer to boot into the next phase of the installation
Notes : This happens right after you finish partitioning and installation never gets past 0%
Fix : Disconnect all drives except the drive you want to install Windows 10.  This includes laptops.

Issue : Can’t reach login screen
Notes : Can happen after an update, auto repair should fix it
Fix : Start up the computer normal and when it starts to load windows force shutdown the computer.  Repeat the process 2 times, on the third start up it will Automatically try to fix the issue.

Other Issues

Windows 10 seems to be a little weird when you have two installs on two different drives and your trying to repair one.  I have had issues when trying to repair one, or boot into safe mode.  Removing all other other drives seems to resolve most of the issues.

Issues with multiple drives with an install of Windows 10

• Reset Drive resets the wrong drive
• Boot into safemode doesn’t work