LXDE is a desktop environment, Lou, not a desktop manager.
If you install openbox-menu on LXDE, you will have problems. This is intended for use with Openbox.
you say tomato and I say tomato...hmmm that doesn't work so well in text
. I won't argue about DEs vs DMs vs WMs. I don't have openbox-menu installed in LXDE.
[root@localhost louis]# apt-get --fix-broken install
Reading Package Lists... Done
Building Dependency Tree... Done
0 upgraded, 0 newly installed, 0 removed and 0 not upgraded.