When I open qBittorrent or calibre they show for a moment in the dock and then go away. I am using qBittorrent v3.3.1 which is in the official repository and calibre v2.70 which I downloaded from calibre website.

I searched around and found two questions relevant to my problem. This question is similar but the solution does not work for me. I already had the Show Unpinned option ticked.

This question deals with multiple icons of same application.

I found a workaround for qBittorrent. There is a qBittorrent icon at the top when it is running. Clicking on this icon brings up a menu with a option Hide. Clicking Hide twice in this menu brings back qBittorrent icon in plank.


The list of softwares seems to be growing. Now mousepad and virtualbox also do not show up in the dock.

  • Does this happen if you try to run these applications from a guest account as well?
    – lemonslice
    Commented Dec 6, 2016 at 22:38
  • I tested with various softwares. Only Codeblocks and Texmaker seems to have this problem in guest account. Commented Dec 7, 2016 at 1:07
  • There has been a plank update yesterday (to 0.11.3), in my installation this bug does not happen any more. Can you check it for yours?
    – lemonslice
    Commented Dec 8, 2016 at 19:58
  • No that does not solve the problem in my computer. Commented Dec 10, 2016 at 12:59
  • same issue here, did anyone solve this issue? Commented Apr 7, 2017 at 3:08

4 Answers 4


Same issue. Currently I go to dock preference (ctrl + Right Click), comportment, and I disable/enable Show unpinned. But it's not a solution of course.

It's boring but it's work (or Alt+Tab)

  • no problem. it's not realy an answer but just for wait a fix or something better.
    – Shining
    Commented Dec 10, 2016 at 12:15

For Calibre go to preferences/ look and feel and enable tray icon. That makes it stay in plank too.

I haven't tried this for other apps.

  • This is a possible workaround, a real solution would be nicer to have...
    – Rafael
    Commented Dec 6, 2016 at 15:42

the simplest solution to me currently is to make plank strict between workspace and switch the workspace ,on ubuntu, or linux mint: ctrl+alt+(or). it refreshes the plank.


@Ibraheem Moosa The solution is quite simple. The only thing you have to do is edit the file /usr/share/applications/calibre-gui.desktop with root rights and change the line:

Exec=calibre --detach %F



  • It doesn't work.
    – Rafael
    Commented Dec 6, 2016 at 15:42

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