Blue Crash Simulator
A harmless novelty crash screen simulator — customize the message and fool your friends.
This is a harmless visual-only simulation. It cannot affect your device, software, or files in any way. Always labeled as a Tellime Simulation.
About this tool
Create a full-screen, blue crash-style simulation with a custom headline, error message, and duration. The screen advances through a timed progress effect and countdown, while an exit control and Escape key return to the setup. It is a visual novelty only: it does not crash, scan, repair, lock, or modify the computer. Set a 20-second duration for a quick film prop, write a fictional error for a stage presentation, or use the effect as an obvious joke among friends who have agreed to it. A custom message can fit a themed party or video scene better than a generic system warning. Test the wording and exit method before showing it in full screen. Do not use the simulator to frighten someone, impersonate technical support, hide real work, obtain credentials, or disrupt a school or workplace. Never present it as evidence that data was lost or payment is required. Full-screen visuals can be confusing for less technical viewers, so disclose the joke promptly and keep access to Escape. Because the screen is fictional, any actual device problem should be handled through normal operating-system tools or qualified support.
How to use
Customize "Headline" and "Error message," then set "Duration (seconds)."
Choose "Launch Simulation" to open the labeled visual effect full screen.
Leave it with Escape or the "Exit Simulation" button.