System Tray – Tray Icons Disappear Sometimes in Ubuntu 17.10

17.10gnomesystem-tray

I upgraded system from 17.04 to 17.10. Sometimes after login to Gnome3 I dont see tray icons. And it looks like this:

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Only standard Gnome applets are visible. After logout and login again it back to normal, like this:

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Best Answer

Problem was in old Unity indicator-application. Because I used Unity earlier in 17.04 and upgraded to 17.10 this indicator wasn't removed. I still have Unity available. After disabling indicator-application from autostart now legacy tray icons works fine. To disable autostart of this indicator remove /etc/xdg/autostart/indicator-application.desktop file from system. Now it works with standard Ubuntu Appindicators Gnome extension.

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