When I access cPanel File Manager v3 via the Portal the contents is EMPTY. If I use the legacy V2 version everything is listed. Am I doing something silly?
The cPanel File Manager works for me, please try using a different browser or upgrading Internet Explorer. From that screenshot it looks like you are using Internet Explorer 7, and it is likely that IE7 is no longer compatible with cPanel.
I'm running IE version 8.0.6001.18702 (which is as high as I can go as I'm limited by XP)
There's a javascript:void(0) message at the bottom of the screen when I hover over some of the CP options. Java is version