https://bugs.kde.org/show_bug.cgi?id=459911
--- Comment #8 from Thomas Fischer <fisc...@unix-ag.uni-kl.de> --- (In reply to Florian Edelmann from comment #7) > Created attachment 152794 [details] > Minimal reproduction I tested the file by placing another PDF file named "wu2019compression.pdf" next to it. The PDF file can be opened in the main view both via Ctrl+D and the context menu ("View Document" -> "Local files") as well as when opening the editing dialog, switching to tab "External" and opening the file using the button next to the filename's entry. I suspect that there is another problem on your machine, causing problems here. Opening a PDF file is, for KBibTeX, a simple operation asking the desktop environment to open a file with the associated tool (e.g. Okular). KBibTeX does not receive any feedback whether this succeeded or not. To mimic KBibTeX's opening request, using a terminal in KDE, navigate to the directory where "wu2019compression.pdf" is located. Then, issue these commands: xdg-open wu2019compression.pdf kde-open wu2019compression.pdf kde-open5 wu2019compression.pdf I am not sure which will be available, may depend on your distribution and package selection. Please report back what happens (output in terminal, error message, success?). -- You are receiving this mail because: You are watching all bug changes.