Thor Lancelot Simon <tls@rek.tjls.com> writes:

> When I start firefox-gtk2 I get this:
> 
>     $ firefox-gtk2
>     Xlib: connection to ":0.0" refused by server
>     Xlib: XDM authorization key matches an existing client!
> 
>     (firefox-bin:371): Gtk-WARNING **: cannot open display:  

All on local disk? I've had problems like this a few times with
.Xauthority files from the wrong machines when NFS homedirs are
involved, or that were inappropriately copied during a system backup.

        - Nathan