dstiles - 9:05 pm on Dec 4, 2012 (gmt 0)

Er... Mint, not Ubuntu... :)

The Mint version of Nautilus is called Caja and that has caused no problems as regards single-click and hidden files. The problem lies (lay) in KDE not gnome.

You're probably correct about login/out; I almost never do that so never think of it. :)