i never use startup disk creator
i always use unetbootin
sudo apt-get install unetbootin
never been happier
have of all ubuntu apps are useless,yes useless and that includes Brasero
1-brasero=nero
2-empathy=pidgin
3-libreoffice=microsoft office or google docs(online)
4-remmina=teamviewer
5-rythmbox=totem(deafult)
6-startup disk creator=unetbootin
note:after a clean installation of a daily builds this is my first executed command:
sudo apt-get purge aisleriot* baobab* empathy* gnome-contacts* gnome-games-data* gnome-disk-utility* gnome-online-accounts* gwibber* deja-dup* landscape* libreoffice* onboard* overlay-scrollbar* gnome-orca* remmina* rhythmbox* shotwell* usb-creator* ubuntuone* software-center* xul-ext-ubufox* unity-lens-shopping* unity-webapps* xdiagnose* xterm*
sudo apt-get autoremove
sudo apt-get autoclean
and if i need anything i go here:
https://apps.ubuntu.com/cat/