Do not let the panic linger for hours. Once you get the initial reaction and a good laugh, press the key to close the full-screen mode, show them it was just a web page, and enjoy the relief on their face.

If the screen appeared outside of a web browser (directly on your desktop), your system may be infected with malware. Reboot your computer into and run a full system scan using a reputable antivirus or anti-malware suite. The Ethics and Risks of Tech Pranking

: Run a deep scan with reputable security software like Malwarebytes to remove any underlying malicious files.

Stay safe, stay prank-conscious, and always know how to kill a browser task.

In the digital age, pranks have moved from physical setups to screen-based trickery. One of the most classic, albeit alarming, online pranks is the . It’s a prank designed to momentarily panic friends or family members by making them believe their computer has been seized by federal authorities due to illegal activity.

The prank exploits a massive asymmetry in computer literacy. A prankster knows that Alt+F4 closes a window, Ctrl+Alt+Del opens Task Manager, and no government agency can "lock" your PC via a web browser without installing software. The victim does not. To them, the screen might as well be hard-coded into the motherboard.