ChocoLOCKScreen

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Error screens

Cloudflare Error

The Cloudflare 500 error page, reproduced column by column, in fullscreen. The site looks down.

Desktop

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Your PC ran into a problem and needs to restart. We’re just collecting some error info, and then we’ll restart for you.

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For more information about this issue and possible fixes, visit

Stop code: CRITICAL_PROCESS_DIED

Fake BSOD

The Windows 10 blue screen: the sad face, the message, the climbing percentage and a real QR code. For a prank or an awareness session.

Open detail

Windows 11 Spam

The Windows 11 alert windows pile up without end on a real desktop. Nothing opens on your system.

Open detail

Windows XP Spam

Windows XP pop-ups piling up over the green hill, in fullscreen. The chaos of 2003, minus the viruses.

Open detail

YOUR SESSION HAS BEEN LOCKED!

Ransomware Cookies

A fake ransomware demands cookies in fullscreen. The timer runs, and nothing gets encrypted.

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37 threats detected

budget_2026.croissant

Threat detected

Trojan.Croissant.A

Action: converting to croissant

Threat detected

Trojan.Croissant.A

Action: converting to croissant

Threat detected

Trojan.Croissant.A

Action: converting to croissant

🍪🍪🍪🍪🍪

Croissant Virus

An antivirus panics, files turn into croissants and cookies multiply across the screen. Nothing is infected, except the reputation of whoever forgot to lock.

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Session left unlocked

Cookie rain

Hundreds of cookies fall and pile up; a window drops in the middle to say who's bringing the croissants. Grab them, throw them, everything bounces.

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And the real ChocoLOCK
Croissantage, the cybersecurity edition.

A colleague left their session open? ChocoLOCK generates the lock screen to put on it, with the QR code that sends them out for pastries.

Free. Your colleagues lock their PC from the second time on.

See how it works