The problem is that I'm using an user to developing. So I enter in KDE system with my normal account and I open a terminal for that another user, and that user doesn't set the 'DISPLAY' variable.Now, if I export that variable, when try 'toolbox' doesn't run the console browser, neither the X browser (but I'll can solve this).
There's your trouble. X11 is locked-down by default and will not allow other users access to your display device. (Try setting the DISPLAY variable and running xeyes or somesuch - it should show you an error. The error is being buried by Python.)
Investigate the xauth command - I had the same problem when tunneling X11 windows over SSH - the remote server wasn't allowed to attach to my local display without some twiddling.
Matthew Bevan, Systems Administrator Top Floor Computer Systems Ltd.
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