This boot screen indicates the Action Replay (AR) firmware cannot validate the game cartridge or its own firmware is corrupt. Common on older AR devices (DS, DSi, 3DS, GCN, Wii).
ARDSYS folder from Code Manager.Use **TWiLight Menu++** (DS/3DS homebrew) or **Nintendont** (Wii) / **USB Loader GX** — load games + cheats from SD/USB. No hardware dongle needed. Requires homebrew install (easy on all).