I don't know of a GUI way to do this, but you can easily change this in the Openbox configuration file for your user. From the terminal, or the Alt+F2 run dialog, type:
- Code: Select all
leadpad ~/.config/openbox/mintlxde-rc.xml
Then search for the following piece of configuration:
- Code: Select all
<!-- Launch Task Manager with Ctrl+Alt+Del -->
<keybind key="A-C-Delete">
<action name="Execute">
<command>mint-lxde-logout</command>
</action>
</keybind>
Then either change the <command>
mint-lxde-logout</command> to a command you want to run, or if you want to disable this key combination, make it <command>
false</command>. Then reboot, or logout and login again, and the changes should be effected.