keyboard – lxde inverted mouse scroll

I Just installed l-ubuntu, and installed LXDE on it. First of all I really love the LXDE due to its high performance. But what I don’t liked that I am not able to do the natural mouse scrolling (inverted scrolling).

Can someone help me out
I used this line in my shell : echo "pointer = 1 2 3 5 4 7 6 8 9 10 11 12" > ~/.Xmodmap && xmodmap .Xmodmap
But it’s actually not working for me
Any other solution?

mount – How to solve the “Error Mounting…” error dialog in LXDE / PCManFM

I’m getting the following dialog from time to time when playing music from my external HD:

enter image description here

Whenever that happens, my music player (cmus) skips to the next track.
This happens with any music player I use, it doesn’t happen all the time though.

If not solving the issue, I’d like to no longer get these dialog popups, as they come in groups of 3-4, and often cannot be closed at all.

Keyboard keys exchanged after restart: "Alt" and "Super" (Lubuntu 18.04, lxde)

After I restarted my Goldtouch keyboard as usual and connected it to my laptop, the "Alt" and "Super" keys were swapped on both sides (ie "Alt Gr" on the right side with the right "Super" key.

On my lxde desktop (Lubuntu 18.04) not every key that is assigned to the currently connected keyboard seems to be displayed correctly.

While the problem persists on my connected keyboard, the keys on the native laptop keyboard that is working at the same time respond correctly.

So far, the following links have not been helpful because the information is either non-specific
or it does not apply to lxde (Lubuntu), but only to a Gnome interface like standard Ubuntu.
For example, there is no icon in my lower right pane to see the current key-by-key keyboard layout that I used to have in Ubuntu.

I want to find a way to display the current keyboard layout for ALL connected keyboards and, if necessary, change the keys for each keyboard.
With my externally connected keyboard from Goldtouch, I would like to change the reversed assignment of the Super and "Alt" keys.
To be honest, I don't even understand where this change came from.

Thanks in advance for your help.
Below are details of my operating system and keyboard related issues.

My OS information:

Linux andylu-ThinkPad-Edge-E130 5.0.0-37-generic #40~18.04.1-Ubuntu SMP Thu Nov 14 12:06:39 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

My hardware information has been filtered for keyboard and similar information:

(base) andylu@andylu-ThinkPad-Edge-E130:~$ hwinfo | grep -i key
    0000-0000 : keyboard
    0000-0000 : keyboard
 thinkpad_hotkey: /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:01/PNP0C09:00/LEN0068:00
i/o:1 0x0000 - 0x0000 (0x01) "keyboard"
i/o:1 0x0000 - 0x0000 (0x01) "keyboard"
    product = "Goldtouch USB Keyboard"
    product = "Goldtouch USB Keyboard"
  B: KEY=10000000000000 0
  B: KEY=10000000000000 0
  N: Name="AT Translated Set 2 keyboard"
  B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
  N: Name="Lite-On Technology Corp. Goldtouch USB Keyboard"
  B: KEY=1000000000007 ff9f207ac14057ff febeffdfffefffff fffffffffffffffe
  N: Name="Lite-On Technology Corp. Goldtouch USB Keyboard Consumer Control"
  B: KEY=300ff 0 0 483ffff17aff32d bf54444600000000 1 130c730b17c000 267bfad9415fed 9e168000004400 10000002
  N: Name="Lite-On Technology Corp. Goldtouch USB Keyboard System Control"
  B: KEY=c000 10000000000000 0
  N: Name="Lite-On Technology Corp. Goldtouch USB Keyboard"
  B: KEY=100000300000000 0 0 0
  B: KEY=e520 10000 0 0 0 0
  B: KEY=10040 0 18040000 0 50000000000000 0 1701b02102004 c000280051115000 10e000000000000 0
  B: KEY=70000 0 0 0 0
  B: KEY=100000 0 0 0
  B: KEY=3e000b00000000 0 0 0
  B: KEY=1f0000 0 0 0 0
  key = 00100000000000000000000000000000
  key = 00100000000000000000000000000000
bus = 17, name = AT Translated Set 2 keyboard
  key = 000000040200000003803078f800d001feffffdfffeffffffffffffffffffffe
bus = 3, name = Lite-On Technology Corp. Goldtouch USB Keyboard
  key = 0001000000000007ff9f207ac14057fffebeffdfffeffffffffffffffffffffe
bus = 3, name = Lite-On Technology Corp. Goldtouch USB Keyboard Consumer Control
  key = 00000000000300ff000000000000000000000000000000000483ffff17aff32dbf54444600000000000000000000000100130c730b17c00000267bfad9415fed009e1680000044000000000010000002
bus = 3, name = Lite-On Technology Corp. Goldtouch USB Keyboard System Control
  key = 000000000000c00000100000000000000000000000000000
bus = 3, name = Lite-On Technology Corp. Goldtouch USB Keyboard
  key = 0100000300000000000000000000000000000000000000000000000000000000
  key = 000000000000e52000000000000100000000000000000000000000000000000000000000000000000000000000000000
  key = 0000000000010040000000000000000000000000180400000000000000000000005000000000000000000000000000000001701b02102004c000280051115000010e0000000000000000000000000000
  key = 00000000000700000000000000000000000000000000000000000000000000000000000000000000
  key = 0000000000100000000000000000000000000000000000000000000000000000
  key = 003e000b00000000000000000000000000000000000000000000000000000000
  key = 00000000001f00000000000000000000000000000000000000000000000000000000000000000000
  E: ID_INPUT_KEY=1
  E: KEY=10000000000000 0
  E: ID_INPUT_KEY=1
  E: ID_INPUT_KEY=1
  E: KEY=3e000b00000000 0 0 0
  E: ID_INPUT_KEY=1
  E: DRIVER=thinkpad_hotkey
  E: ID_INPUT_KEY=1
  E: KEY=10000000000000 0
  E: ID_INPUT_KEY=1
  E: ID_MODEL=Goldtouch_USB_Keyboard
  E: ID_MODEL_ENC=Goldtouchx20USBx20Keyboard
  E: ID_SERIAL=Lite-On_Technology_Corp._Goldtouch_USB_Keyboard
  E: HID_NAME=Lite-On Technology Corp. Goldtouch USB Keyboard
  E: ID_INPUT_KEY=1
  E: ID_INPUT_KEYBOARD=1
  E: ID_MODEL=Goldtouch_USB_Keyboard
  E: ID_MODEL_ENC=Goldtouchx20USBx20Keyboard
  E: ID_SERIAL=Lite-On_Technology_Corp._Goldtouch_USB_Keyboard
  E: KEY=1000000000007 ff9f207ac14057ff febeffdfffefffff fffffffffffffffe
  E: NAME="Lite-On Technology Corp. Goldtouch USB Keyboard"
  S: input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-kbd
  E: DEVLINKS=/dev/input/by-path/pci-0000:00:14.0-usb-0:1:1.0-event-kbd /dev/input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-kbd
  E: ID_INPUT_KEY=1
  E: ID_INPUT_KEYBOARD=1
  E: ID_MODEL=Goldtouch_USB_Keyboard
  E: ID_MODEL_ENC=Goldtouchx20USBx20Keyboard
  E: ID_SERIAL=Lite-On_Technology_Corp._Goldtouch_USB_Keyboard
  E: HID_NAME=Lite-On Technology Corp. Goldtouch USB Keyboard
  E: ID_INPUT_KEY=1
  E: ID_MODEL=Goldtouch_USB_Keyboard
  E: ID_MODEL_ENC=Goldtouchx20USBx20Keyboard
  E: ID_SERIAL=Lite-On_Technology_Corp._Goldtouch_USB_Keyboard
  E: KEY=c000 10000000000000 0
  E: NAME="Lite-On Technology Corp. Goldtouch USB Keyboard System Control"
  S: input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-if01
  E: DEVLINKS=/dev/input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-if01 /dev/input/by-path/pci-0000:00:14.0-usb-0:1:1.1-event
  E: ID_INPUT_KEY=1
  E: ID_MODEL=Goldtouch_USB_Keyboard
  E: ID_MODEL_ENC=Goldtouchx20USBx20Keyboard
  E: ID_SERIAL=Lite-On_Technology_Corp._Goldtouch_USB_Keyboard
  E: ID_INPUT_KEY=1
  E: ID_MODEL=Goldtouch_USB_Keyboard
  E: ID_MODEL_ENC=Goldtouchx20USBx20Keyboard
  E: ID_SERIAL=Lite-On_Technology_Corp._Goldtouch_USB_Keyboard
  E: KEY=100000300000000 0 0 0
  E: NAME="Lite-On Technology Corp. Goldtouch USB Keyboard"
  S: input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-if01
  E: DEVLINKS=/dev/input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-if01 /dev/input/by-path/pci-0000:00:14.0-usb-0:1:1.1-event
  E: ID_INPUT_KEY=1
  E: ID_MODEL=Goldtouch_USB_Keyboard
  E: ID_MODEL_ENC=Goldtouchx20USBx20Keyboard
  E: ID_SERIAL=Lite-On_Technology_Corp._Goldtouch_USB_Keyboard
  E: ID_INPUT_KEY=1
  E: ID_MODEL=Goldtouch_USB_Keyboard
  E: ID_MODEL_ENC=Goldtouchx20USBx20Keyboard
  E: ID_SERIAL=Lite-On_Technology_Corp._Goldtouch_USB_Keyboard
  E: KEY=300ff 0 0 483ffff17aff32d bf54444600000000 1 130c730b17c000 267bfad9415fed 9e168000004400 10000002
  E: NAME="Lite-On Technology Corp. Goldtouch USB Keyboard Consumer Control"
  S: input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-if01
  E: DEVLINKS=/dev/input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-if01 /dev/input/by-path/pci-0000:00:14.0-usb-0:1:1.1-event
  E: ID_INPUT_KEY=1
  E: ID_MODEL=Goldtouch_USB_Keyboard
  E: ID_MODEL_ENC=Goldtouchx20USBx20Keyboard
  E: ID_SERIAL=Lite-On_Technology_Corp._Goldtouch_USB_Keyboard
  E: KEY=1f0000 0 0 0 0
  E: ID_INPUT_KEY=1
  E: KEY=100000 0 0 0
  E: ID_INPUT_KEY=1
  E: ID_INPUT_KEY=1
  E: ID_INPUT_KEYBOARD=1
  E: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
  E: NAME="AT Translated Set 2 keyboard"
  E: ID_INPUT_KEY=1
  E: ID_INPUT_KEYBOARD=1
  E: LIBINPUT_ATTR_KEYBOARD_INTEGRATION=internal
  E: KEY=e520 10000 0 0 0 0
  E: KEY=70000 0 0 0 0
  E: ID_INPUT_KEY=1
  E: KEY=10040 0 18040000 0 50000000000000 0 1701b02102004 c000280051115000 10e000000000000 0
  E: ID_INPUT_KEY=1
  E: KEYBOARD_KEY_01=screenlock
  E: KEYBOARD_KEY_02=battery
  E: KEYBOARD_KEY_03=sleep
  E: KEYBOARD_KEY_04=wlan
  E: KEYBOARD_KEY_06=switchvideomode
  E: KEYBOARD_KEY_07=f21
  E: KEYBOARD_KEY_08=f24
  E: KEYBOARD_KEY_0b=suspend
  E: KEYBOARD_KEY_0f=brightnessup
  E: KEYBOARD_KEY_10=brightnessdown
  E: KEYBOARD_KEY_11=kbdillumtoggle
  E: KEYBOARD_KEY_13=zoom
  E: KEYBOARD_KEY_14=volumeup
  E: KEYBOARD_KEY_15=volumedown
  E: KEYBOARD_KEY_16=mute
  E: KEYBOARD_KEY_17=prog1
  E: KEYBOARD_KEY_1a=f20
  links: /dev/input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-kbd, /dev/input/by-path/pci-0000:00:14.0-usb-0:1:1.0-event-kbd
  links: /dev/input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-if01, /dev/input/by-path/pci-0000:00:14.0-usb-0:1:1.1-event
  links: /dev/input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-if01, /dev/input/by-path/pci-0000:00:14.0-usb-0:1:1.1-event
  links: /dev/input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-if01, /dev/input/by-path/pci-0000:00:14.0-usb-0:1:1.1-event
  BIOS Keyboard LED Status:
06: None 00.0: 0900 Keyboard controller
  Model: "Keyboard controller"
  WLAN authentication modes: open sharedkey wpa-psk wpa-eap
37: USB 00.0: 10800 Keyboard
  Hardware Class: keyboard
  Model: "Lite-On Goldtouch USB Keyboard"
  Device: usb 0x006e "Goldtouch USB Keyboard"
  Device Files: /dev/input/event4, /dev/input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-kbd, /dev/input/by-path/pci-0000:00:14.0-usb-0:1:1.0-event-kbd
  Model: "Lite-On Goldtouch USB Keyboard"
  Device: usb 0x006e "Goldtouch USB Keyboard"
  Device Files: /dev/input/event7, /dev/input/by-id/usb-Lite-On_Technology_Corp._Goldtouch_USB_Keyboard-event-if01, /dev/input/by-path/pci-0000:00:14.0-usb-0:1:1.1-event
45: PS/2 00.0: 10800 Keyboard
  Hardware Class: keyboard
  Model: "AT Translated Set 2 keyboard"
  Device: 0x0001 "AT Translated Set 2 keyboard"

6.0 Marshmallow – Error opening browser in Ubuntu 18.04 LTS (LXDE) on Linux Deploy

I have Linux Deploy installed, LXDE version of Ubuntu 18.04LTS installed by it.
I access this via a VNC viewer. Everything is fine, except for the built-in browser. Whenever I tap the browser icon, an error message is displayed stating that the desktop entry file is invalid

"/usr/share/applications/lxde-x-www-browser.desktop" "

I tried to reinstall everything, nothing works.

How can this be solved?