this 15.3 test system, which came from 15.2 before, maybe even 15.1 before that. pretty much never before having used konqueror on this machine, firing it up today only renders that error message that unknown protocol konq cannot create io-slave === The requested operation could not be completed Cannot Initiate the konq Protocol Technical Reason: Unable to Create io-slave Details of the Request: URL: konq:konqueror Protocol: konq Date and Time: Wednesday, June 2, 2021 Additional Information: klauncher said: Unknown protocol 'konq'. Description: The io-slave which provides access to the <strong>konq</strong> protocol could not be started. This is usually due to technical reasons. Possible Causes: klauncher could not find or start the plugin which provides the protocol.This means you may have an outdated version of the plugin. Possible Solutions: Update your software to the latest version. Your distribution should provide tools to update your software. Contact your appropriate computer support system, whether the system administrator, or technical support group for further assistance. === konqueror-20.04.2-bp153.1.24.x86_64 konqueror-lang-20.04.2-bp153.1.24.noarch konqueror-plugins-20.04.2-bp153.1.24.x86_64 are installed. bug? anyone? ty.