XnView Software

Eureka! I have found which is the problem!

I have uninstalled the software PDF X-Change Viewer (produced by Tracker Software Ltd.), a very good alternative to Adobe Acrobat Reader, and now everything runs fine.

I think that PDF X-Change Viewer has got its PostScript renderer, alternative to ...

I have installed Ghostscript 9.00 but XnView browser showed correct some pdfs also before installing Ghostscript and this, I know, is very strange.
So I have tryed to search on my system another software like Ghostscript but I have not found anything.

Windows xp shows all pdf thumbnails correct ...

I have some problems with some, not all, PDF files.
When I try to open a folder conteining some PDFs XnView browser crashes, with other PDFs this not happens.
There is not error when I open the pdf or in the preview window, only in browser thumbnail mode.
I use XnView 1.97.8 and Windows xp sp3.
I ...