How to disable CTRL+ALt+DEL

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skribb
Posts: 21
Joined: 22 Jun 2016, 20:52

How to disable CTRL+ALt+DEL

07 Jul 2017, 10:09

this isn't really an AHK tutorial so I apologize in advance for being slightly off-topic, however it is relevant to AHK applications

I'm working on a transparent screen lock which I know that many others have done here with varying levels of success. The problem usually is that you can still reach Task Manager via CTRL+ALT+DEL, and even tho you can block all HID input (meaning, while Task Manager will launch, you can't really touch anything since keys and mouse are non-functional), it still feels like a security compromise to even be able to launch Task Manager in the first place.

A good workaround for this is to simply remove the Task Manager button from the Windows lock screen.

Simply start gpedit.msc and then go to User Configuration > Administrative Templates > System > Ctrl Alt Del Options and from there you can remove all buttons that appear on the CTRL ALT DEL screen making the only available button the Cancel button.

NOTE: this will disable task manager completely on your system. I suggest you use Process Explorer instead, it's developed by "Microsoft" (i.e bought when SysInternals were acquired by MS).

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