SUMMARY Hitting reply button or double clicking an email does not open composer or view window. STEPS TO REPRODUCE 1. Select an e-mail 2. Hit reply button 3. Or double-click an e-mail OBSERVED RESULT Nothing happens. However, when I quit Kontact and open KMail, suddenly all my expected windows appear on screen, e.g.: - hit the reply button twice in Kontact - quit Kontact - open KMail - 3 windows appear: the main window and 2 composer windows EXPECTED RESULT A composer window opens where I can type my reply and send it. Or a view window after double-clicking an e-mail. SOFTWARE/OS VERSIONS Linux/KDE Plasma: KDE Plasma Version: 5.12.8 KDE Frameworks Version: 5.44.0 Qt Version: 5.9.5 ADDITIONAL INFORMATION