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BSOD Prank

Believable Windows blue screen with stop code.

Press F for fullscreen

:(

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

0% complete

For more information about this issue, visit: windows.com/stopcode

Stop code: CRITICAL_PROCESS_DIED

About BSOD Prank

The Windows blue screen of death is one of the most recognizable error states ever rendered. Our reproduction matches the modern Windows 10 and 11 layout: an enormous sad face, a one-paragraph explanation, a fake percentage at the bottom, and a believable stop code. Fullscreen it, hand the laptop to a friend, walk away.

Windows Blue Screen of Death Prank

The BSOD prank displays the iconic Windows blue screen with the sad face emoticon and stop code. Instantly recognizable to anyone who's used Windows, it triggers panic in users who think their system has crashed. The screen includes realistic error codes like 'CRITICAL_PROCESS_DIED' or 'SYSTEM_THREAD_EXCEPTION_NOT_HANDLED'. No actual system damage occurs—the prank runs in a browser tab or fullscreen app.

Authentic BSOD Details

Modern BSOD pranks replicate Windows 10 and 11 blue screens with high fidelity. The sad face :) emoticon, white text on blue background (#0078D7), and stop code format match Microsoft's actual design. Some versions include a fake progress percentage showing 'collecting error info' that increments slowly. Advanced implementations add a fake restart sequence or Windows logo before returning to the blue screen. The key is authenticity—experienced Windows users should struggle to identify the fake at first glance.

Classic Office Prank

The BSOD prank is a workplace classic for good reason. It's instantly understood, causes momentary panic, and reveals nothing is actually wrong. Perfect for coworkers who leave their machines unlocked. IT departments use it for April Fools or to test help desk response times. The prank is harmless and reversible—press Escape or click a hidden area to exit. Works on any device with a browser, though it's most effective on actual Windows machines where users expect to see blue screens.

How to use it

  1. 01

    Go fullscreen

    Press F to fill the display. The page is a static blue screen with no controls visible.

  2. 02

    Hand off the device

    Watch their face fall. Then press ESC and reveal the trick.

  3. 03

    Repeat with a different OS

    Each fake update screen targets a different platform and era.

Frequently asked

The shortest path between you and the answer.

Is this tool free?

Yes. Every ScreenTools.co tool is free, with no account, no paywall, and no install.

Does it work on mobile?

Yes. Layouts adapt to phone and tablet screens. Mobile Safari restricts true fullscreen, but the page fills the viewport and you can add the page to your Home Screen for an app-like experience.

Does it work offline?

Once a tool's page has loaded once, the runtime is local. A few tools that fetch fonts or icons need the first hit online; after that, refresh works offline.

Does this collect my data?

No personal data leaves your browser. The site has lightweight, privacy-respecting analytics for aggregate counts (which tool was opened) and nothing else.

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