I have experienced the same issue in Lubuntu 14.04
To fix the issue I did the following:
1. Opened the /.config/openbox/lubuntu-rc.xml file 2. Changed line 423 from "<command>lxsession-default lock</command>" to "<command>dm-tool lock</command>"
Looks like the same fix a few others did too.
I have experienced the same issue in Lubuntu 14.04
To fix the issue I did the following:
1. Opened the /.config/ openbox/ lubuntu- rc.xml file lxsession- default lock</command>" to "<command>dm-tool lock</command>"
2. Changed line 423 from "<command>
Looks like the same fix a few others did too.