Sunday, May 11, 2014

Your bootable USB drive could not be created. An error occurred while copying the Windows installation files.

I spent an hour or so figuring this out. Downloaded the official Windows 8.1 ISO, but the Bootcamp assistant did not want to properly format my USB disk. After finding this I became suspicious that maybe the problem is the ISO itself.

I found this then:  and essentially converted the MS original ISO into a new ISO which was working fine with the Bootcamp assistant.

(I used disk utility to create a .dmg rather than a .cdr by selecting "hybrid image" in the image format drop down)

$ hdiutil makehybrid -iso -joliet -o IR3_CPRA_X64FREV_EN-US_DV9.iso IR3_CPRA_X64FREV_EN-US_DV9.dmg

1 comment:

  1. Wow! I've been working on this all afternoon to no avail, until I came across your post. Bravo!