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Do not ask a question by changing the title to an old question and posting it.
That destroys message threading. This current message was buried at the bottom
of the original thread:

[trinity-users] chat clients - cannot connect  - 2/14/19

On 07/05/2019 06:16 PM, William Morder via trinity-users wrote:
> There are actually two issues, maybe three; but I think maybe they are all 
> related to the panel, thus I put them together here. 
> 
> 1. is trivial, but still annoying. Whenever I start up certain apps, I get a 
> two icons in the panel; a smaller icon, but also a shadow icon - a larger 
> reduplication  of the original - but I only need the first. I have got in the 
> habit of just killing the shadow icons by running the command pkill 
> ksystraycmd, and then it goes away until I run another app. 
> 
> Somehow or other (back when I was running KDE3), I found a way to suppress the 
> shadow icons, but now I can't find it in my notes, and nothing online. I went 
> into TCC, and unclicked boxes in menu items, etc., but it keeps returning. 
> 

First, just so I am clear you are not talking about the application name and
icons shown in the taskbar, and then the smaller icons displayed in the pager
are you?

> 2. Panel hiding is much more annoying. Quite by accident, when some object on 
> my desk hits the mouse, my panel suddenly hides, and will not come back. I've 
> tried changing settings, locking the panel, etc.; it even survives reboots 
> and shutdowns. I try clicking to restore the panel, and NOTHING HAPPENS, and 
> continues not to happen, for ever. 

You do not have panel hiding selected in TCC->Desktop->Panels (Hiding tab)
[ ] Hide automatically do you?

To restart, use Alt+F2

  dcop kicker kicker restart

or

  dcop kicker Panel restart

"Panel" is a dcop alias for "kicker" but may not be present in your system.
You can always open an konsole (or an xterm) and type

  dcop kicker          (now look at list)

then to see what you can do, just add any of the next items listed, e.g.

  dcop kicker kicker   (now you should see restart())

> 
> 3. When I unlock the panel, and move round the icons, it gets totally messed 
> up. Even if I lock it, the icons keep moving round, and again, this behavior 
> survives through reboots and shutdowns. When at last I get my icons to 
> behave, and lock the panel and leave it alone. 
>

Log out of TDE, then switch to another desktop (or use ctrl+alt+f2 to switch
to a text terminal and login) then move or delete kickerrc to force
restoration of the default panel:

  mv ~/.tde/share/config/kickerrc ~/.tde/share/config/kickerrc.sav

Now log back into TDE.

> For 2 & 3, I have tried killing the panel by running pkill kicker, then 
> restarting, but this doesn't work so well. When it does work at all, the 
> panel appears on only one out of my 20 desktops, and again, this sometimes 
> persists through multiple reboots. 
> 

Of course, TDE settings and configs are persistent and most are stored in
~/.tde/share/config


-- 
David C. Rankin, J.D.,P.E.