Portable/External Media Greyed Out

Trying to create a multiboot USB with loads of ISOs.
When on the Add New Entry tab the Portable/External Media ISO section is greyed. (Screenshot attached)
The other sections Disk Image and WinPE are not greyed out.
Floppy and BIOS Extender are greyed out the same as ISO.

Am I just being a noob and missing something obvious?
First time of using the software, just installed it today.

Best regards



Knows where his towel is.
Staff member
On a UEFI PC, all functions which are only available on older legacy BIOS PCs are greyed out in EasyBCD.
Neosmart does provide a dedicated Utility which might be more use
Creating a bootable USB