More info here
https://bugs.launchpad.net/ubuntu/+source/gwenview/+bug/2144825
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Gwenview crash. App is no possible open because firstly crash

Conflicts with dependencies.

Apt version of Gwenview.

Kubuntu 25.10

 $  uzivatel@uzivatel  ~  gwenview
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/hej2k"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/vnd.radiance"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-epson-erf"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-hasselblad-3fr"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-hasselblad-fff"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-leaf-mos"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-mamiya-mef"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-minolta-mdc"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-pfm"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-phaseone-iiq"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-phm"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-pxr"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-samsung-srw"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-sct"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-sinar-sti"
org.kde.kdegraphics.gwenview.lib: Unresolved raw mime type  "image/x-samsung-srw"
QPainter::begin: Paint device returned engine == 0, type: 2
QPainter::setOpacity: Painter not active
QPainter::end: Painter not active, aborted
GPL Ghostscript 10.05.0: Unrecoverable error, exit code 1
GPL Ghostscript 10.05.0: Unrecoverable error, exit code 1
Chyba segmentácie (bol uložený výpis pamäte)
 $  uzivatel@uzivatel  ~  gwenview
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/hej2k"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/vnd.radiance"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-epson-erf"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-hasselblad-3fr"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-hasselblad-fff"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-leaf-mos"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-mamiya-mef"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-minolta-mdc"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-pfm"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-phaseone-iiq"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-phm"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-pxr"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-samsung-srw"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-sct"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-sinar-sti"
org.kde.kdegraphics.gwenview.lib: Unresolved raw mime type  "image/x-samsung-srw"
QPainter::begin: Paint device returned engine == 0, type: 2
QPainter::setOpacity: Painter not active
QPainter::end: Painter not active, aborted
GPL Ghostscript 10.05.0: Unrecoverable error, exit code 1
GPL Ghostscript 10.05.0: Unrecoverable error, exit code 1
Chyba segmentácie (bol uložený výpis pamäte)
 $  uzivatel@uzivatel  ~  cd Plocha
 $  uzivatel@uzivatel  ~/Plocha  kde-open5 foto1.jpg
 $  uzivatel@uzivatel  ~/Plocha  gwenview foto1.jpg &
[1] 5709
 $  uzivatel@uzivatel  ~/Plocha  org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/hej2k"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/vnd.radiance"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-epson-erf"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-hasselblad-3fr"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-hasselblad-fff"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-leaf-mos"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-mamiya-mef"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-minolta-mdc"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-pfm"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-phaseone-iiq"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-phm"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-pxr"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-samsung-srw"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-sct"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-sinar-sti"
org.kde.kdegraphics.gwenview.lib: Unresolved raw mime type  "image/x-samsung-srw"

[1]+  Chyba segmentácie      (bol uložený výpis pamäte) gwenview foto1.jpg
 $  uzivatel@uzivatel  ~/Plocha  gwenview foto1.jpg &
[1] 5761
 $  uzivatel@uzivatel  ~/Plocha  org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/hej2k"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/vnd.radiance"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-epson-erf"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-hasselblad-3fr"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-hasselblad-fff"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-leaf-mos"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-mamiya-mef"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-minolta-mdc"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-pfm"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-phaseone-iiq"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-phm"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-pxr"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-samsung-srw"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-sct"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-sinar-sti"
org.kde.kdegraphics.gwenview.lib: Unresolved raw mime type  "image/x-samsung-srw"

[1]+  Chyba segmentácie      (bol uložený výpis pamäte) gwenview foto1.jpg
 $  uzivatel@uzivatel  ~/Plocha  
 $  uzivatel@uzivatel  ~/Plocha  gwenview /home/uzivatel/Plocha/foto1.jpg
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/hej2k"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/vnd.radiance"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-epson-erf"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-hasselblad-3fr"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-hasselblad-fff"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-leaf-mos"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-mamiya-mef"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-minolta-mdc"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-pfm"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-phaseone-iiq"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-phm"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-pxr"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-samsung-srw"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-sct"
org.kde.kdegraphics.gwenview.lib: Unresolved mime type  "image/x-sinar-sti"
org.kde.kdegraphics.gwenview.lib: Unresolved raw mime type  "image/x-samsung-srw"
Chyba segmentácie (bol uložený výpis pamäte)
 $  uzivatel@uzivatel  ~/Plocha 