Live CD USB Creator - doesn't save

[zebraneo]

I am trying to create a Persistent USB Flash drive - flash drive 8GB, and it's not saving the information. Can someone tell me what I did wrong. I tried using the Live CD USB Creator, and it doesn't save

default persist
label persist
menu label ^Run Ubuntu Persistently saving changes back to USB
kernel /casper/vmlinuz
append noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.gz quiet splash --

label live
menu label ^Try Ubuntu without any change to your computer
kernel /casper/vmlinuz
append noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.gz quiet splash --

label live-install
menu label ^Install Ubuntu
kernel /casper/vmlinuz
append noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity initrd=/casper/initrd.gz quiet splash --
label check
menu label ^Check disc for defects
kernel /casper/vmlinuz
append noprompt boot=casper integrity-check initrd=/casper/initrd.gz quiet splash --
label memtest
menu label Test ^memory
kernel /install/mt86plus
label hd
menu label ^Boot from first hard disk
localboot 0x80