Norton Bootable Recovery Tool v6 has no support for Windows 8.1.
Tested on Windows 8.1 x64,RTM TechNet, UEFI, Secure Boot = ENABLED
.
NBRT DVD = unbootable.
NBRT ISO = unburnable.
NBRT USB = unbootable.
How to use Norton Bootable Recovery Tool https://support.norton.com/sp/en/us/home/current/solutions/v74152774_N360_Business_CC_2014_en_us
"DOCID: v74152774_N360_Business_CC_2014_en_us Operating System: Windows 8, Windows 7, Windows Vista, Windows XP Last modified: 08/28/2013"