[Wintermute0110]

Thanks Wintermute0110 for replying. I am unsure if it caused by kernel panic. Below is the log file I get from Kodi when I tried to run a NES game "Contra".

ERROR: AEL info: _command_run_rom() Launching ROM in Launcher...
ERROR: AEL info: _command_run_rom() Using Launcher standard arguments
ERROR: AEL info: _command_run_rom() Single ROM detected (no multidisc)
ERROR: AEL info: _command_run_rom() ROMFileName OP "var/media/ROMS/NES/Contra.nes"
ERROR: AEL info: _command_run_rom() ROMFileName P "var/media/ROMS/NES/Contra.nes"
ERROR: AEL info: _command_run_rom() categoryID root_category
ERROR: AEL info: _command_run_rom() launcherID cbcf657d3689085df83c0d0946ec05b0
ERROR: AEL info: _command_run_rom() romID 271a953c1434d1043937fe7f58091456
ERROR: AEL info: _command_run_rom() romfile "var/media/ROMS/NES/Contra.nes"
ERROR: AEL info: _command_run_rom() rompath "var/media/ROMS/NES"
ERROR: AEL info: _command_run_rom() rombase "Contra.nes"
ERROR: AEL info: _command_run_rom() rombasenoext "Contra"
ERROR: AEL info: _command_run_rom() romtitle "Contra"
ERROR: AEL info: _command_run_rom() application "/storage/.kodi/addons/script.gamerstarter/resources/bin/libretro-cores"
ERROR: AEL info: _command_run_rom() romext "nes|srm"
ERROR: AEL info: _command_run_rom() raw arguments "fceu"%rom%"
ERROR: AEL info: _command_run_rom() final arguments "fceu"/var/media/ROMS/NES/Contra.nes""
ERROR: AEL info: fs_write_Favourites_JSON() File special://profile/addon_data/plugin.program.advanced.emulator.launcher/most_played.json
ERROR: AEL info: _command_run_rom() Launcher is not Kodi Retroplayer.
ERROR: AEL info: _run_procress() Process retcode = -4
ERROR: Unable to find plugin
ERROR: GetDirectory - Error getting plugin://
ERROR: CGUIMediaWindow::GetDirectory(plugin://) failed
ERROR: ExtractFrame: Could not decode a frame
ERROR: Previous line repeats 1 times.
ERROR: Control 55 in windows 10001 has been asked to focus, but it can't
ERROR: EXCEPTION: Non-Existent Control 1

Appreciate further advice on how to resolve the issue.

There is something going on in the log. Kodi produces some errors I have never seen before.

Are you using a window manager to run Kodi OR are you using Kodi in standalone mode without a window manager? In order to use AEL, AML or any other launcher like IARL you must use a window manager OR use a wrapper script to close Kodi before the emulator starts.

To test if you are using a window manager, go to Kodi settings, System settings, Display. In Display mode select "Windowed" instead of "Full screen". After selecting Windowed display mode, Kodi will resize itself to a window. Does this window have a border and the Maximise, Minimise an Close buttons? If so you are running a window manager. If you just see Kodi as a rectangle withouth a border that cannot be moved then you are not running a window manager. Then, you should check on the Openelec forums about configuring a window manager (I recommend openbox). Another solution is to use a launcher script that closes Kodi, launches the emulator/app, and then relaunches Kodi when the emulator finishes.