first check if there is dbus exist or not so run this command **sudo apt install dbus-x11**
run those command also **vncserver -kill** , **kex kill** , **kex stop**
now run **vncserver -localhost no**
and then to start just run **kex** command
first check if there is dbus exist or not so run this command **sudo apt install dbus-x11**
run those command also **vncserver -kill** , **kex kill** , **kex stop**
now run **vncserver -localhost no**
and then to start just run **kex** command