Are you sure you are looking at the correct plasmoid?

I just installed a widget and the one I installed shows an uninstall 
button when I hover the mouse over it.

You can also do <cashew> -> addwidgets -> get new widgets -> download 
new widgets
Then under oder by select "Installed".  Everything you have installed 
should how up there with a coresponding uninstall button.

While looking in the widgets list I noticed that I also have "timer" by
Davide Bettio.  But mine was installed via normal packages.  I suspect 
you got yours the same way, so it's most likely another widget that you 
are trying to get rid of.

If you really want to get rid of it you can uninstall the package 
"kdeplasma-addons"
But be warned that it will also remove the following widgets:

Binary Clock
Black Board
Bookmarks
Bouncy Ball
Bubblemon
Calculator
Character Selector
Color Picker
Comic Strip
Dictionary
Eyes
Fifteen Puzzle
File Watcher
Fuzzy Clock
Icon Tasks
Incoming Message
Knowledge Base
Konqueror Profiles
Konsole Profile
LCD Weather Station
Leave a Note
Life
Luna
Magnifique
Media Player
Microblogging
News
Notes
Now Playing
OpenDesktop.org Community
OpenDesktop.org Social News
Paste
Pastebin
Picture Frame
Plasmaboard
Previewer
Qalculate!
Remember The Milk
RSSNOW
Show Widget Dashboard
Show Desktop
Spell Check
System Load Viewer
Timer
Unit Converter
Weather Forecast
Web Slice

Hope that helps,
Brian Cluff

On 11/12/2012 10:36 AM, Wayne Davis wrote:
> Kubuntu 12.10
>
> I installed a  timer widget from the widget download repository link.
> "TIMER" by Davide Bettio
>
> I cannot UN-INSTALL it. there is no un-install button.   Arrrgghh
>
>
> I did search the web, and found similar instructions. but they do not
> pertain to 12.10 were not 'close enough' to provide a solution.
>
> I would guess that if I knew WHERE it is, that would be most of what I
> need.  But I do not know what to look for.
>
> Suggestions?
>
> TIA
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