Created attachment 131517 [details] a jnlp with credentials removed SUMMARY Opening a .jnlp causes konqueror to rave out with all the buttons flashing. STEPS TO REPRODUCE 1. Open the attached file in konqueror OBSERVED RESULT Buttons strobing and high CPU usage perpetually EXPECTED RESULT I don't normally expect a program to have a rave when I open a file. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Kubunto 20.04 (available in About System) KDE Plasma Version: 5.18.5 KDE Frameworks Version: 5.68.0 Qt Version: 5.12.8 ADDITIONAL INFORMATION This made my day!