I don't know!
I no problem in verification update, no problem with other plugin of Fredo6
in C:\Users\Fcharly24h\AppData\Roaming\SketchUp\SketchUp 2014\SketchUp\Plugins
I have:
in SU make 2014 no icon bar for:
Fredo tools
curvizard
in SU make 2013 ok