Few Issues I hit. Make sure you put the file liveusb
at the root of the drive as well as the folder rescue
I still placed and renamed the file just like the OP did.
A small hickup I had was I did not read the CUSTOME.CFG setup correctly and it caused it to boot incorrectly. So verify that. I used...
# Your own boot image here
MENU LABEL Kaspersky Rescue Disc 10
# Your help message goes here.
Dennis Technology Labs rated Kaspersky @ 99% Total Accuracy.
#COM32 linux.c32 memdisk