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Old 01-08-2021, 01:17 AM   #7
bunyip
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bunyip began at the beginning.
 
Posts: 2
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Join Date: Jul 2018
Device: kindle samsung / pc app
qt.qpa.plugin

Same error
Ubuntu 20.4

Did the suggestion from another post to install

sudo apt install libxkbcommon-x11-0
did reinstall of calibre
did not work

tried to do calibre uninstall got

calibre uninstall
Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland anyway.
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, xcb.

Aborted (core dumped)
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