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Seen a bunch of questions/answers saying it's because of PowerToys, it isn't my case.

Tried restarting the computer, closing every single program but still nothing.

Using Microsoft Keyboard Diagnostics (mskey.exe), indeed the key combination do work:

enter image description here

Any clues are more than welcome.

aybe
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1 Answers1

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Found the culprit:

  • Samsung Magician (once again...)

When it is set to start automatically, Alt-Space stops working, when started manually it doesn't.

Giacomo1968
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aybe
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