server@serverdell:~$ sudo firefox
(process:13585): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
(firefox:13585): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::sm-connect after class was initialised
(firefox:13585): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::show-crash-dialog after class was initialised
(firefox:13585): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::display after class was initialised
(firefox:13585): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::default-icon after class was initialised
(firefox:13585): IBUS-WARNING **: The owner of /home/server/.config/ibus/bus is not root!
[PIPELIGHT:LIN:unknown] attached to process.
[PIPELIGHT:LIN:unknown] checking environment variable PIPELIGHT_UNITY3D_CONFIG.
[PIPELIGHT:LIN:unknown] searching for config file pipelight-unity3d.
[PIPELIGHT:LIN:unknown] trying to load config file from '/home/server/.config/pipelight-unity3d'.
[PIPELIGHT:LIN:unknown] trying to load config file from '/etc/pipelight-unity3d'.
[PIPELIGHT:LIN:unknown] trying to load config file from '/usr/share/pipelight/configs/pipelight-unity3d'.
[PIPELIGHT:LIN:unknown] sandbox not found or not installed!
[PIPELIGHT:LIN:unity3d] using wine prefix directory /home/server/.wine-pipelight.
[PIPELIGHT:LIN:unity3d] checking plugin installation - this might take some time.
[PIPELIGHT:LIN:unity3d] -------------------------------------------------------
[PIPELIGHT:LIN:unity3d] WARNING! YOU ARE RUNNING THIS PIPELIGHT PLUGIN AS ROOT!
[PIPELIGHT:LIN:unity3d] THIS IS USUALLY NOT A GOOD IDEA! YOU HAVE BEEN WARNED!
[PIPELIGHT:LIN:unity3d] -------------------------------------------------------
[install-dependency] Downloading and running wine-unity3d-installer.
[install-dependency] ERROR: Installer for wine-unity3d-installer did not run correctly or was aborted.
[install-dependency] ERROR: Execution of wine-unity3d-installer failed.
[PIPELIGHT:LIN:unity3d] basicplugin.c:326:checkPluginInstallation(): Plugin installer did not run correctly (exitcode = 1).
[PIPELIGHT:LIN:unity3d] basicplugin.c:109:attach(): plugin not correctly installed - aborting.
1413580263227 GMPInstallManager.simpleCheckAndInstall INFO Last check was: 2385 seconds ago, minimum seconds: 86400
1413580263227 GMPInstallManager.simpleCheckAndInstall INFO Will not check for updates.
I have done all the recommended updates/commands.