lxskllr
No Lifer
- Nov 30, 2004
- 59,395
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Dunno. I assume this is from Windows. Give Yumi a try...
www.pendrivelinux.com
I only mention this cause I sorta recently used it in wine to make a multiboot drive. I couldn't find a native tool to do it at the time, but this worked. Not sure it would fix your problem though.

YUMI: Create Multiboot USBs for Windows & Linux with Ease
Easily create a YUMI Multiboot USB for Windows and Linux. Boot multiple ISOs, live distributions, and tools—all from one USB stick!
I only mention this cause I sorta recently used it in wine to make a multiboot drive. I couldn't find a native tool to do it at the time, but this worked. Not sure it would fix your problem though.