Opening system settings takes a decade or two

opening KDE system settings takes forever I see this in journal:


Aug 01 20:58:37 ws-study systemsettings\[66084\]: **Failed to register with host portal QDBusError("org.freedesktop.portal.Error.Failed", "Could not register app ID: Connection already associated with an application ID")** 
Aug 01 20:58:40 ws-study kernel: **usb usb2-port1: Cannot enable. Maybe the USB cable is bad?** 
Aug 01 20:58:43 ws-study systemd\[1895\]: app-systemsettings@cc2a6db5e9314e26a36bbccc62183f02.service: Consumed 3.842s CPU time over 23.591s wall clock time, 97M memory peak. 
Aug 01 20:58:45 ws-study kernel: **usb usb2-port1: Cannot enable. Maybe the USB cable is bad?** 
Aug 01 20:58:49 ws-study kernel: **usb usb2-port1: Cannot enable. Maybe the USB cable is bad?** 
Aug 01 20:58:53 ws-study kernel: **usb usb2-port1: Cannot enable. Maybe the USB cable is bad?** 
Aug 01 20:58:56 ws-study plasmashell\[2440\]: **qrc:/qt/qml/plasma/applet/org/kde/plasma/taskmanager/ToolTipDelegate.qml:63: TypeError: Cannot read property 'containsMouse' of null** 
Aug 01 20:58:56 ws-study systemd\[1895\]: Started app-systemsettings@e773d94ea28944f1958bf5a6d4e61215.service - System Settings - System Settings. 
Aug 01 20:58:57 ws-study kernel: **usb usb2-port1: Cannot enable. Maybe the USB cable is bad?** 
Aug 01 20:58:57 ws-study systemsettings\[66387\]: **Failed to connect to Bolt manager DBus interface:**  
Aug 01 20:58:57 ws-study systemsettings\[66387\]: **Failed to connect to Bolt manager DBus interface:**  
Aug 01 20:58:58 ws-study systemsettings\[66387\]: **Starting libddcutil. library built Jan 16 2026 at 00:00:00. stdout_stderr_redirected=true** 
Aug 01 20:59:01 ws-study kernel: **usb usb2-port1: Cannot enable. Maybe the USB cable is bad?** 
Aug 01 20:59:05 ws-study kernel: **usb usb2-port1: Cannot enable. Maybe the USB cable is bad?** 
Aug 01 20:59:09 ws-study kernel: **usb usb2-port1: Cannot enable. Maybe the USB cable is bad?** 
Aug 01 20:59:13 ws-study kernel: **usb usb2-port1: Cannot enable. Maybe the USB cable is bad?** 
Aug 01 20:59:14 ws-study systemsettings\[66387\]: **Failed to register with host portal QDBusError("org.freedesktop.portal.Error.Failed", "Could not register app ID: Connection already associated with an application ID")** 
Aug 01 20:59:17 ws-study kernel: **usb usb2-port1: Cannot enable. Maybe the USB cable is bad?** 
Aug 01 20:59:21 ws-study kernel: **usb usb2-port1: Cannot enable. Maybe the USB cable is bad?** 
Aug 01 20:59:25 ws-study kernel: **usb usb2-port1: Cannot enable. Maybe the USB cable is bad?**
Operating System: Fedora Linux 44
KDE Plasma Version: 6.7.3
KDE Frameworks Version: 6.28.0
Qt Version: 6.11.1
Kernel Version: 7.1.5-201.fc44.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-7700K CPU @ 4.20GHz
Memory: 16 GiB of RAM (15.6 GiB usable)
Graphics Processor: Quadro RTX 4000
Manufacturer: Gigabyte Technology Co., Ltd.
Product Name: Z170X-Gaming 7

Seems you have a problem with a usb port from the errors.
What usb devices do you have plugged in to your system?
Try unplugging as many as possible to find the bad one.