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You might have heard of the 15 year old bug in Ubuntu that has never been fixed (mentioned on this forum a decade ago). Essentially you can't printscreen while a menu is active.

Today, I was working with two monitors, vscode in one and the browser on the other. I right clicked on the vscode text editor to open the context menu. While opened, I tried taking a rectangular screenshot using Ctrl+Shift+PrtScr and click-and-dragged on the vscode app to select the screenshot region. Then BAM.

Not only it didn't work, but the whole UI became buggy. I couldn't click anything anymore, I tried Ctrl+Tabing sometimes and I was eventually able to click on the browser, but the rest is still unresponsive (side and top menus aren't clickable, vscode isn't clickable...)

I feel this bug is just getting worse with time, and it's kind of mindblowing it has never been fixed.

Is there any known workaround for this?

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  • In 20.04 I use a combination of Screenshot tool and Shutter which work perfectly well.
    – graham
    May 24, 2021 at 10:12
  • Shutter is great at freezing my computer if you have screen scaling on (e.g. 125%). Crashes my system quite regularly too.
    – run_the_race
    Jun 3, 2022 at 21:35

1 Answer 1

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That's because the context menu blocks the keyboard events and this is not a bug with Ubuntu, it happens with other distributions too and other desktop environments. Yes, I agree it's annoying but the work around is to use a timed screen capture utility, search for "screenshot" in the applications menu and set "Grab after a delay of" to the amount of seconds you want it to wait before taking the screenshot and click "Take Screenshot".

enter image description here

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