C'est à n'y rien comprendre.
J'ai téléchargé le Linux TGZ 64bit depuis le site que je t'ai indiqué post #2 je l'ai décompréssé dans mon /home/mon_utilisateur, ce qui m'a donné un dossier XnView
J'ouvre ce dossier et je double-clic sur xnview.sh et là xnview se lance sans problème.
En console cela me donne ça :
dominique@host-192-168-1-2 XnView$ ./xnview.sh
==> 1,000000 106,356508 96,000000 (0)
XNVIEW restoreGeometry before : 640 480
XNVIEW restoreGeometry after : 850 620
w.init
XNVIEW SIZE 850 620
########### BrowserWindow :: BrowserWindow
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
MENU install : 1f9fc30
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
libpng warning: iCCP: known incorrect sRGB profile
########### BrowserWindow :: ok create (640 480)
BrowserWindow :: changeVisibility()
BrowserWindow :: changeVisibility()
BrowserWindow :: changeVisibility()
########### BrowserWindow :: restoreState (850 620)
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
BrowserWindow :: restoreState => 850 620
=> 588 410
BrowserWindow :: restoreState ok => 588 410
XNVIEW SIZE ok
w.start
### BrowserWindow :: onStart go
#### onCategoryDockVisible (1)
########### BrowserWindow :: restoreState (1600 839)
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
BrowserWindow :: restoreState => 1600 839
=> 1338 484
BrowserWindow :: restoreState ok => 1338 484
### BrowserWindow :: onStart
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
BrowserWindow :: onStart 2
setPathname </home/dominique/Images/icone meteo/>
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
### ThumbLoaderThread :: setFileList(0)
### ThumbLoaderThread :: setFileList() wait
######ThumbLoaderThread :: run : 205e450
######ThumbLoaderThread :: forever : 205e450
** start condition wait
### ThumbLoaderThread :: setFileList() after wait
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
** start condition wake one 2
### ThumbLoaderThread :: setFileList ok
######ThumbLoaderThread :: forever 2 : 205e450
CHECK <0>
######ThumbLoaderThread :: forever : 205e450
** start condition wait
## OPEN FOLDER
## OPEN DB FOLDER ok
## UPDATE DB FOLDER ok
## OPEN FOLDER ok
## updateLabels
## updateLabels ok
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
######### CategoryModel :: checkAndSave()
TIME 0
BitmapLoadThread :: stop()
Create children /home/dominique/
Create children /home/dominique/Images/
MyDirModelThread :: run
Create children /home/dominique/Images/icone meteo/
## OPEN FOLDER done
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
### ThumbLoaderThread :: setFileList(24)
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
** start condition wake one 2
### ThumbLoaderThread :: setFileList ok
######ThumbLoaderThread :: forever 2 : 205e450
CHECK <23>
### START 24
######ThumbLoaderThread :: start : 23
### BrowserWindow :: finish
sizeHints : 128
###### onChildrenChecked 24 <Wallpapers>
###### onChildrenChecked 23 <saint-pons>
###### onChildrenChecked 22 <portugal2012>
###### onChildrenChecked 21 <photos de note petit dino>
###### onChildrenChecked 20 <Photo-Sam-vacances>
###### onChildrenChecked 19 <Photo-maman>
###### onChildrenChecked 16 <Marseille-trafic>
###### onChildrenChecked 13 <livres>
###### onChildrenChecked 12 <journe accrobranche>
###### onChildrenChecked 11 <index_fichiers>
###### onChildrenChecked 10 <Images-sam>
###### onChildrenChecked 9 <icone meteo>
###### onChildrenChecked 7 <Fractal>
###### onChildrenChecked 6 <Fond d'ecran chaudron-dofus>
###### onChildrenChecked 4 <Capture>
###### onChildrenChecked 2 <background-map>
###### onChildrenChecked 1 <23102011>
###### onChildrenChecked 51 <Vuze Downloads>
###### onChildrenChecked 50 <vlc>
###### onChildrenChecked 49 <VirtualBox VMs>
###### onChildrenChecked 47 <test-lua>
###### onChildrenChecked 43 <rts5139>
###### onChildrenChecked 41 <repo>
###### onChildrenChecked 38 <opel-corsa_B>
###### onChildrenChecked 37 <nvidia>
###### onChildrenChecked 30 <maman>
###### onChildrenChecked 27 <livecd-root>
###### onChildrenChecked 26 <libglvnd>
###### onChildrenChecked 25 <KVM>
###### onChildrenChecked 22 <Forecast_Images>
###### onChildrenChecked 20 <DVD_root>
###### onChildrenChecked 15 <dest>
###### onChildrenChecked 13 <conky-soleil>
###### onChildrenChecked 10 <Bureau>
###### onChildrenChecked 9 <build-iso>
###### onChildrenChecked 8 <build>
###### onChildrenChecked 7 <bohdi>
###### onChildrenChecked 6 <bin>
ItemData :: update ==> lune-09.png OK
ItemData :: update ==> meteo-01.png OK
ItemData :: update ==> meteo-02.png OK
ItemData :: update ==> meteo-03.png OK
ItemData :: update ==> meteo-05.png OK
ItemData :: update ==> meteo-06.png OK
ItemData :: update ==> meteo-07.png OK
ItemData :: update ==> meteo-08.png OK
ItemData :: update ==> meteo-10.png OK
ItemData :: update ==> meteo-11.png OK
ItemData :: update ==> meteo-13.png OK
ItemData :: update ==> meteo-14.png OK
ItemData :: update ==> meteo-15.png OK
ItemData :: update ==> meteo-16.png OK
ItemData :: update ==> meteo-17.png OK
ItemData :: update ==> meteo-18.png OK
ItemData :: update ==> meteo-19.png OK
ItemData :: update ==> meteo-20.png OK
ItemData :: update ==> meteo-21.png OK
ItemData :: update ==> meteo-22.png OK
ItemData :: update ==> meteo-23.png OK
ItemData :: update ==> meteo-25.png OK
sizeHints : 128
######ThumbLoaderThread :: forever : 205e450
** start condition wait
ItemData :: update ==> meteo-26.png OK
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
### ThumbLoaderThread :: setFileList(24)
ThumbLoaderThread :: stop()
### ThumbLoaderThread :: stop() ok
** start condition wake one 2
### ThumbLoaderThread :: setFileList ok
######ThumbLoaderThread :: forever 2 : 205e450
CHECK <23>
### START 24
######ThumbLoaderThread :: start : 23
ItemData :: update ==> lune-09.png OK
ItemData :: update ==> meteo-01.png OK
ItemData :: update ==> meteo-02.png OK
ItemData :: update ==> meteo-03.png OK
ItemData :: update ==> meteo-05.png OK
ItemData :: update ==> meteo-06.png OK
ItemData :: update ==> meteo-07.png OK
ItemData :: update ==> meteo-08.png OK
ItemData :: update ==> meteo-10.png OK
######ThumbLoaderThread :: forever : 205e450
** start condition wait
ItemData :: update ==> meteo-11.png OK
ItemData :: update ==> meteo-13.png OK
ItemData :: update ==> meteo-14.png OK
ItemData :: update ==> meteo-15.png OK
ItemData :: update ==> meteo-16.png OK
ItemData :: update ==> meteo-17.png OK
ItemData :: update ==> meteo-18.png OK
ItemData :: update ==> meteo-19.png OK
ItemData :: update ==> meteo-20.png OK
ItemData :: update ==> meteo-21.png OK
ItemData :: update ==> meteo-22.png OK
ItemData :: update ==> meteo-23.png OK
ItemData :: update ==> meteo-25.png OK
ItemData :: update ==> meteo-26.png OK
### ThumbLoaderThread :: setFirstItemToLoad
** start condition wake one 3
### ThumbLoaderThread :: setFirstItemToLoad ok
######ThumbLoaderThread :: forever 2 : 205e450
CHECK <0>
######ThumbLoaderThread :: forever : 205e450
** start condition wait
CategoryThread :: run
^C
dominique@host-192-168-1-2 XnView$