I'm unhelpful. (Off-Topic)

by JDQuackers , McMurray, PA, Thursday, October 15, 2015, 18:28 (3141 days ago) @ Funkmon

I think, and I can't check this right now, if you right click on Recycle bin, there is a "delete confirmation dialog" checkbox.

This is correct. Right-click on Recycle Bin -> Properties -> "Display delete confirmation dialog"

For the firefox backup, here's is an official guide for moving your profile or just parts of it