* src/etc/xdg/lxsession/QLubuntu:

- Update default applications.

debian/changelog

@@ -1,7 +1,9 @@
 lubuntu-default-settings (0.42) UNRELEASED; urgency=medium
 
-  * src/etc/xdg/lubuntu/pcmanfm-qt5:
+  * src/etc/xdg/lubuntu/pcmanfm-qt:
    - Move to the correct place and install it.
+  * src/etc/xdg/lxsession/QLubuntu:
+   - Update default applications.
   * debian/control:
    - Depends on lightdm-greeter for all default-session.
 

src/etc/xdg/lxsession/QLubuntu/desktop.conf

@@ -14,7 +14,7 @@ file_manager/command=pcmanfm-qt
 file_manager/session=lxqt
 file_manager/extras=
 
-desktop_manager/command=
+desktop_manager/command=filemanager
 desktop_manager/wallpaper=
 
 polkit/command=lxqt-policykit-agent