The search engines settings page says the module is not available and the desktop file is missing.. Not sure what the issue is.. Reproducible: Didn't try including a screen capture
Created attachment 94669 [details] rekonq search engine settings page
I checked, the issue was due to unavailability of kdebase-konqueror package. It worked after installing it. However, the error shown is not clear and it would be good if some help is provided or make the dependent package required so that the feature is available to users.