First, you must enable the IZF plugin. See the screenshot below for instructions.

1. Click the Plugins tab.
2. Click the checkbox next to IZF.
3. Close the Plugins screen.
4. Exit Instant Cafe Feeder.
5. Reload Instant Cafe Feeder.

IZF requires Server to be enabled as IZF talks to ICF, basically it sends the feed contents to ICF so it can produce the final feed.

1. Click the Settings button.
2. Click the Server tab.
3. Enable Server (checkbox)
4. No need to touch the rest.