Pinjo is closed when logging out of my machine

To prevent closing Pinjo revealer when logging off your windows machine, you should run Pinjo revealer as a service.

To install Pinjo as a service you you can use the option Install Pinjo as a service in your start menu.
Optionally you can also enter the command 'pinjo -install' at the command line in your Pinjo directory. To uninstall Pinjo as service you enter the command 'pinjo -uninstall'.
After that you can reboot your machine or start/stop the service to complete the installation.