: Inverting screen colors, duplicating message boxes, and "melting" the desktop.
Because these programs simulate malicious behavior, Windows Defender or other antivirus software will often flag them as a "Potentially Unwanted Program" (PUP) or a virus. Chilled Windows Simulator (WIP) - Remixes - Scratch chilled windows v2 -download link-
You can find various versions of this project hosted on community-driven platforms. Always run such programs in a secure environment like a Virtual Machine to ensure they do not interfere with your actual work. : Inverting screen colors, duplicating message boxes, and