I downloaded a legal full iso- en_windows_7_ultimate_x64_dvd_X15-65922
Running the Windows 7 Upgrade Advisor indicated there would be no problems with an upgrade from Vista 64 Ultimate edition.
Setup starts just fine, but halts at 18% of 'unpacking windows files'. The computer then reboots...
64bit
boot issues
disk errors
error code
file not found
fulliso
installation
iso
jraid.sys
legal software
problems
reboot
setup
system error
troubleshooting
upgrade
upgrade advisor
upgrade issues
vista
windows 7