USB Multiboot 10 Error

[ex4]

hello,

sometimes i got error on using USB Multiboot 10 program from http://shared.siginetsoftware.com/wimb/USB_MultiBoot_10.zip

the eror is like this :

find: 6.0.: No such file or directory
The process tried to write to a nonexistent pipe.
The process tried to write to a nonexistent pipe.
FIND: Windows NT: No such file or directory
The process tried to write to a nonexistent pipe.
The process tried to write to a nonexistent pipe.
FIND: invalid predicate `'
Press any key to continue . . .

any idea how to fix it?