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I have recently noticed that in Windows 10, double combo CTRL+ALT+L causes screen to lock, exactly like WIN+L.

I have noticed this happening since a while, maybe since 2004 update.

It is frustrating. I instinctively use the combo in IntelliJ IDEA to reformat files every time I finish editing them, but now the system intercepts the first combo and doesn't propagate it to IDEA.

Does anyone know how to disable this combo for lock screen?

Edit: seems like the situation is worse. I can't type @ on my keyboard, in particular with the classic combo Alt Gr+@ (ò). In fact, Alt Gr gets completely ignored even with euro € key. CTRL+ALT serves as Alt Gr

I tried Spy++ but no process is stealing hotkeys

usr-local-ΕΨΗΕΛΩΝ
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2 Answers2

8

Closing app Mouse without Borders fixed the ctrl alt l issue, but not the @/€ issue

From

Lock/Unlock all machines at once

Hit Ctrl+Alt+L twice to lock all machines. NOTE: If you use a Polish keyboard, Alt+L (to show up the 'ł' letter) would be eaten up in the remote machine so you would better change this hotkey to something else:)

usr-local-ΕΨΗΕΛΩΝ
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    No need to close the Mouse without borders app, just disable the `Lock machine` Shortcut in Settings>Other options – Kirill Jan 08 '21 at 03:02
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Maybe you can use AutoHotKey (Download from https://www.autohotkey.com/) for this:

^!L::return

First Save this as .ahk file and run it. Now CTRL+ALT+L hotkey will be disabled.

Wasif
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  • this doesn't solve the root cause. If AHK captures the key after it was hooked then it won't work at all – phuclv Jul 23 '20 at 08:11