Create a new version of paste:

<?xml version="1.0" encoding="utf-8"?>
<openbox_menu xmlns="http://openbox.org/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://openbox.org/                 file:///usr/share/openbox/menu.xsd">
	<menu id="root-menu" label="Openbox 3">
		<menu execute="obm-xdg /etc/xdg/menus/xfce-applications.menu" id="xdg-menu" label="xdg"/>
		<item label="Run Program">
			<action name="Execute">
				<command>
                    gmrun
                </command>
			</action>
		</item>
		<separator/>
		<item label="Terminal">
			<action name="Execute">
				<command>
                    xfce4-terminal
                </command>
			</action>
		</item>
		<item label="Przeglądarka">
			<action name="Execute">
				<command>
                    vivaldi
                </command>
			</action>
		</item>
		<item label="Pliki">
			<action name="Execute">
				<command>
                    thunar
                </command>
			</action>
		</item>
		<item label="Edytor">
			<action name="Execute">
				<command>
                    geany
                </command>
			</action>
		</item>
		<item label="Wideo">
			<action name="Execute">
				<command>
                    smplayer
                </command>
			</action>
		</item>
		<separator/>
		<menu id="accessories" label="Akcesoria">
			<item label="Catfish Szukajka">
				<action name="Execute">
					<command>
                        catfish
                    </command>
				</action>
			</item>
			<item label="Archiwa">
				<action name="Execute">
					<command>
                        file-roller
                    </command>
				</action>
			</item>
			<item label="Task Manager (htop)">
				<action name="Execute">
					<command>xfce4-terminal -T 'htop task manager' -e htop</command>
				</action>
			</item>
		</menu>
		<separator/>
		<menu id="preferences" label="Preferencje">
			<menu id="obConfig" label="Openbox">
				<item label="Edycja menu.xml">
					<action name="Execute">
						<command>
                            geany ~/.config/openbox/menu.xml
                        </command>
					</action>
				</item>
				<item label="Edycja rc.xml">
					<action name="Execute">
						<command>
                            geany ~/.config/openbox/rc.xml
                        </command>
					</action>
				</item>
				<item label="Edycja autostart">
					<action name="Execute">
						<command>
                            geany ~/.config/openbox/autostart
                        </command>
					</action>
				</item>
				<separator/>
				<item label="GUI Menu Edytor">
					<action name="Execute">
						<command>
                            obmenu
                        </command>
					</action>
				</item>
				<item label="GUI Config Tool">
					<action name="Execute">
						<command>
                            obconf
                        </command>
					</action>
				</item>
				<separator/>
				<item label="Reconfigure">
					<action name="Reconfigure"/>
				</item>
				<item label="Restart">
					<action name="Restart"/>
				</item>
			</menu>
			<item label="Wygląd">
				<action name="Execute">
					<command>
                        lxappearance
                    </command>
				</action>
			</item>
			<item label="Tapeta pulpitu">
				<action name="Execute">
					<command>
                        nitrogen
                    </command>
				</action>
			</item>
			<item label="Powiadomienia">
				<action name="Execute">
					<command>xfce4-notifyd-config</command>
				</action>
			</item>
			<item label="Zarządzanie zasilaniem">
				<action name="Execute">
					<command>
                        xfce4-power-manager-settings
                    </command>
				</action>
			</item>
			<menu id="dmenuconfig" label="dmenu">
				<item label="Edit Start-up Script">
					<action name="Execute">
						<command>
                            geany ~/.config/dmenu/dmenu-bind.sh
                        </command>
					</action>
				</item>
				<separator label="Help?"/>
				<item label="man page">
					<action name="Execute">
						<command>
                            xfce4-terminal -T 'man dmenu' -e man dmenu
                        </command>
					</action>
				</item>
			</menu>
			<menu id="gmrunconfig" label="gmrun">
				<item label="Edit Config File">
					<action name="Execute">
						<command>
                            geany ~/.gmrunrc
                        </command>
					</action>
				</item>
				<separator label="Help?"/>
				<item label="man page">
					<action name="Execute">
						<command>
                            xfce4-terminal-T 'man gmrun' -e man gmrun
                        </command>
					</action>
				</item>
			</menu>
			<menu id="DisplaySettings" label="Display">
				<item label="ARandR Screen Layout Editor">
					<action name="Execute">
						<command>
                            arandr
                        </command>
					</action>
				</item>
				<separator label="Help?"/>
				<item label="man xrandr">
					<action name="Execute">
						<command>
                            xfce4-terminal -T 'man xrandr' -e man xrandr
                        </command>
					</action>
				</item>
			</menu>
		</menu>
		<menu id="system" label="System">
			<item label="Pamac Package Manager">
				<action name="Execute">
					<command>
                        gksudo pamac
                    </command>
				</action>
			</item>
			<item label="Pliki jako root">
				<action name="Execute">
					<command>
                        gksudo thunar
                    </command>
				</action>
			</item>
			<item label="Edytor jako root">
				<action name="Execute">
					<command>
                        gksudo geany
                    </command>
				</action>
			</item>
			<item label="Login Settings">
				<action name="Execute">
					<command>
                        gksudo geany /etc/lightdm/lightdm-gtk-greeter.conf /etc/lightdm/lightdm.conf
                    </command>
				</action>
			</item>
			<item label="Login Settings GUI">
				<action name="Execute">
					<command>
                        gksudo lightdm-gtk-greeter-settings
                    </command>
				</action>
			</item>
			<item label="GParted">
				<action name="Execute">
					<command>
                        gksudo gparted
                    </command>
				</action>
			</item>
		</menu>
		<separator/>
		<item label="Wyłącz">
			<action name="Execute">
				<command>
                    oblogout
                </command>
			</action>
		</item>
	</menu>
</openbox_menu>