Why applications cannot show their tray icons on the taskbar?

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I'm using Xubuntu 18.04. I do not know what have I done, but all the application tray icons can not show on the taskbar, including input method, uGet, and all applications that have the tray icon feature.







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    up vote
    1
    down vote

    favorite












    I'm using Xubuntu 18.04. I do not know what have I done, but all the application tray icons can not show on the taskbar, including input method, uGet, and all applications that have the tray icon feature.







    share|improve this question
























      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      I'm using Xubuntu 18.04. I do not know what have I done, but all the application tray icons can not show on the taskbar, including input method, uGet, and all applications that have the tray icon feature.







      share|improve this question














      I'm using Xubuntu 18.04. I do not know what have I done, but all the application tray icons can not show on the taskbar, including input method, uGet, and all applications that have the tray icon feature.









      share|improve this question













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      share|improve this question








      edited May 1 at 1:10









      karel

      50k11107127




      50k11107127










      asked May 1 at 1:00









      pah8J

      1414




      1414




















          1 Answer
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          I don't know the exactly inside reason of this problem. However I open the Panel Preference GUI window. And I Restore the setting as "Xubuntu Bionic", then the tray icons show properly.



          May be the majority of problems of the panel and task bar can be solved by restore to default setting.






          share|improve this answer




















          • Did you try rebooting first?
            – WinEunuuchs2Unix
            May 2 at 15:08










          • @WinEunuuchs2Unix, I have already shutdown and booted for several times before I need to use ibus frequently.
            – pah8J
            May 5 at 4:38










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          1 Answer
          1






          active

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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes








          up vote
          0
          down vote



          accepted










          I don't know the exactly inside reason of this problem. However I open the Panel Preference GUI window. And I Restore the setting as "Xubuntu Bionic", then the tray icons show properly.



          May be the majority of problems of the panel and task bar can be solved by restore to default setting.






          share|improve this answer




















          • Did you try rebooting first?
            – WinEunuuchs2Unix
            May 2 at 15:08










          • @WinEunuuchs2Unix, I have already shutdown and booted for several times before I need to use ibus frequently.
            – pah8J
            May 5 at 4:38














          up vote
          0
          down vote



          accepted










          I don't know the exactly inside reason of this problem. However I open the Panel Preference GUI window. And I Restore the setting as "Xubuntu Bionic", then the tray icons show properly.



          May be the majority of problems of the panel and task bar can be solved by restore to default setting.






          share|improve this answer




















          • Did you try rebooting first?
            – WinEunuuchs2Unix
            May 2 at 15:08










          • @WinEunuuchs2Unix, I have already shutdown and booted for several times before I need to use ibus frequently.
            – pah8J
            May 5 at 4:38












          up vote
          0
          down vote



          accepted







          up vote
          0
          down vote



          accepted






          I don't know the exactly inside reason of this problem. However I open the Panel Preference GUI window. And I Restore the setting as "Xubuntu Bionic", then the tray icons show properly.



          May be the majority of problems of the panel and task bar can be solved by restore to default setting.






          share|improve this answer












          I don't know the exactly inside reason of this problem. However I open the Panel Preference GUI window. And I Restore the setting as "Xubuntu Bionic", then the tray icons show properly.



          May be the majority of problems of the panel and task bar can be solved by restore to default setting.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered May 2 at 12:51









          pah8J

          1414




          1414











          • Did you try rebooting first?
            – WinEunuuchs2Unix
            May 2 at 15:08










          • @WinEunuuchs2Unix, I have already shutdown and booted for several times before I need to use ibus frequently.
            – pah8J
            May 5 at 4:38
















          • Did you try rebooting first?
            – WinEunuuchs2Unix
            May 2 at 15:08










          • @WinEunuuchs2Unix, I have already shutdown and booted for several times before I need to use ibus frequently.
            – pah8J
            May 5 at 4:38















          Did you try rebooting first?
          – WinEunuuchs2Unix
          May 2 at 15:08




          Did you try rebooting first?
          – WinEunuuchs2Unix
          May 2 at 15:08












          @WinEunuuchs2Unix, I have already shutdown and booted for several times before I need to use ibus frequently.
          – pah8J
          May 5 at 4:38




          @WinEunuuchs2Unix, I have already shutdown and booted for several times before I need to use ibus frequently.
          – pah8J
          May 5 at 4:38












           

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