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I'm using KDE 4.7 (from the testing repo) on Arch Linux 3.0-ARCH. It's very annoying that when I move my mouse to the top left, thumbnails of my windows appear.

This is especially annoying with Firefox, I made it borderless so I can click on the tabs easily, I just have to move my mouse to the top.

Can anyone help me how to disable that hotspot?

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up vote 26 down vote accepted

This is done in Screen Edges KDE Control Module.

Fire up the Kickoff menu, type "edge" there and open the search result.

Then click on the top-left corner of the display picture and select "No Action". Press OK

enter image description here

You can also start this application from the terminal:

kcmshell4 kwinscreenedges
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