LinuxQuestions.org - Errors in .xsession-errors Help

I have been googling most of the day trying to find a cause for these errors (except for the Nemo ones) I'm at a loss on the others.

4-day old install of Archlinux
nothing else on the ssd

Thanks for any help you can give.
Code:
/usr/bin/iceauth:  creating new authority file /run/user/1000/ICEauthority



(wrapper-2.0:1346): GLib-GIO-CRITICAL **: 14:25:59.082: g_file_new_for_path: assertion 'path != NULL' failed



(wrapper-2.0:1346): GLib-GIO-CRITICAL **: 14:25:59.082: g_file_monitor_file: assertion 'G_IS_FILE (file)' failed



(wrapper-2.0:1346): GLib-GObject-WARNING **: 14:25:59.082: invalid (NULL) pointer instance



(wrapper-2.0:1346): GLib-GObject-CRITICAL **: 14:25:59.082: g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed



(wrapper-2.0:1346): Gtk-WARNING **: 14:25:59.082: Attempting to add a widget with type GtkToggleButton to a container of type XfcePanelPlugin, but the widget is already inside a container of type XfcePanelPlugin, please remove the widget from its existing container first.



(wrapper-2.0:1343): Gtk-WARNING **: 14:25:59.085: Negative content width -3 (allocation 1, extents 2x2) while allocating gadget (node button, owner GtkToggleButton)



(wrapper-2.0:1346): Gtk-WARNING **: 14:25:59.133: Negative content width -3 (allocation 1, extents 2x2) while allocating gadget (node button, owner GtkToggleButton)



(wrapper-2.0:1345): libnotify-WARNING **: 14:25:59.137: Failed to connect to proxy



(wrapper-2.0:1349): Gtk-WARNING **: 14:25:59.142: Negative content width -3 (allocation 1, extents 2x2) while allocating gadget (node button, owner GtkToggleButton)



(wrapper-2.0:1345): Gtk-WARNING **: 14:25:59.166: Negative content width -3 (allocation 1, extents 2x2) while allocating gadget (node button, owner PulseaudioButton)



** (xfce4-screensaver:1372): WARNING **: 14:25:59.186: screensaver already running in this session



(pamac-tray:1388): Gdk-CRITICAL **: 14:25:59.202: gdk_window_thaw_toplevel_updates: assertion 'window->update_and_descendants_freeze_count > 0' failed



** (nemo:2776): WARNING **: 14:26:14.912: Current gtk theme is not known to have nemo support (Adwaita) - checking...



(xfce4-panel:1227): xfce4-panel-CRITICAL **: 14:26:14.912: panel-window.c:2245 (panel_window_active_window_geometry_changed): expression 'WNCK_IS_WINDOW (active_window)' failed.



** (nemo:2776): WARNING **: 14:26:14.971: The theme appears to have no nemo support.  Adding some...

** Message: 14:26:29.921: updates_checker.vala:65: check updates

** Message: 14:26:31.365: updates_checker.vala:95: 0 updates found

[2881:2942:0921/142717.567448:ERROR:x11_software_bitmap_presenter.cc(136)] XGetWindowAttributes failed for window 52428813



(wrapper-2.0:1349): libxfce4util-CRITICAL **: 14:35:58.948: IA__xfce_rc_write_entry: assertion 'value != NULL' failed

** Message: 14:39:42.189: updates_checker.vala:65: check updates

** Message: 14:39:43.634: updates_checker.vala:95: 0 updates found



(xfce4-session:736): GLib-WARNING **: 14:41:28.259: GChildWatchSource: Exit status of a child process was requested but ECHILD was received by waitpid(). See the documentation of g_child_watch_source_new() for possible causes.



** (nemo:7399): WARNING **: 14:41:28.279: Current gtk theme is not known to have nemo support (Adwaita) - checking...



** (nemo:7399): WARNING **: 14:41:28.337: The theme appears to have no nemo support.  Adding some...