OK, I've been trying since Friday to get a clean build with a variety of errors.
Build Env: Win7/64
I finally determined my source DVD only has 1 image, so I had to change the default install.wim settings as in your tutorial to 1. (This is all fairly new to me). Also, had to set keyboard to UK, even though keyboard prompt says 'Additional Keyboard', because my EN source DVD apparently couldn't find the KBDGR.dll file.
Am now getting the following message when I try to run the .iso in VMware workstation:
I do get the grub boot menu first and when selecting Win7PE, I get this error.
And, my last log file:
Any suggestions would be welcome.