On my system Clipgrab, Qpdfview, Simple Screen Recorder, and VLC suddenly quit working - when launched through the Whisker menu or by the opening of a file (Qpdfview and VLC) they do not run - nothing happens as gui. If I open the task manager and launch again one of them it appears (with its pid) in the list of processes, stays a few seconds, turns from green to red and then disappears. I haven’t found other installed applications affected for now (e.g. Blender, Gimp and Libreoffice are still working).
What could be the cause of that and how to have those applications to work again? Uninstall reinstall has not been useful.
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Also, what happens when you run the application from the terminal?
Hope you manage!
Have you checked the announcement thread?
Yes, when run from the terminal the error given is, for all apps, the same as that suggested by maycne:
Cannot mix incompatible Qt library (5.15.2) with this library (5.15.3)
Aborted (core dumped)
So it seems I have to run the following commands:
sudo pacman-mirrors -f 5
sudo pacman -S qt5
sudo pacman -Syyu
At the second command, which ones should I choose of the followings, in my Xfce system?
sudo pacman -S qt5
:: There are 41 members in group qt5:
:: Repository extra
1) pyside2 2) qt5-3d 3) qt5-base 4) qt5-charts 5) qt5-connectivity
6) qt5-datavis3d 7) qt5-declarative 8) qt5-doc 9) qt5-examples
10) qt5-gamepad 11) qt5-graphicaleffects 12) qt5-imageformats
13) qt5-location 14) qt5-lottie 15) qt5-multimedia 16) qt5-networkauth
17) qt5-purchasing 18) qt5-quick3d 19) qt5-quickcontrols
20) qt5-quickcontrols2 21) qt5-quicktimeline 22) qt5-remoteobjects
23) qt5-script 24) qt5-scxml 25) qt5-sensors 26) qt5-serialbus
27) qt5-serialport 28) qt5-speech 29) qt5-svg 30) qt5-tools
31) qt5-translations 32) qt5-virtualkeyboard 33) qt5-wayland
34) qt5-webchannel 35) qt5-webengine 36) qt5-webglplugin
37) qt5-websockets 38) qt5-webview 39) qt5-x11extras 40) qt5-xmlpatterns
:: Repository community
41) qt5-virtualkeyboard-bigscreen
Enter a selection (default=all):
I can’t find a clear indication in that thread
You could get lucky with number 3
If I didn’t know anything about what I need
(which I don’t - in this case)
and if I didn’t know what is indeed needed as a dependence/requirement
I’d try number 3
(which is the base qt library)
and if that was not good enough
I’d go with
default=all
If you had issued:
instead
you’d probably have been fine
(full) names are relevant - partial names match many more things …
The last command will update everything, no need to specifically reinstall qt5.
Check again the suggested solution.
The solution was to rebuild qt5-styleplugins, as suggested in the announcement thread:
- Check the mirror you use is up to date:
sudo pacman-mirrors -f 5 && sudo pacman -Syyu
- If you use qt5-styleplugins (AUR), rebuild it:
pamac build qt5-styleplugins
Thanks
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