Thanks for your bug. Is that the same issue than bug #55327?
** Changed in: nautilus-cd-burner (Ubuntu)
Assignee: (unassigned) => Ubuntu Desktop Bugs
Status: Unconfirmed => Needs Info
** Changed in: nautilus-cd-burner (Ubuntu)
Importance: Untriaged => Medium
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Long time to burn window appears
https://launchpad.net/bugs/61888