: Temporarily disable your antivirus or add an exception for the Cheat Engine executable and its temporary file folder. Incorrect Scan Settings
Never press First Scan or Next Scan while the Value field is empty unless you explicitly chose "Unknown initial value" as the scan type.
Are you trying to find a (like gold) or a bar (like health)? I can give you a specific step-by-step for that game. How To Edit Any Stat In Millennia / Cheat Engine Tutorial : Temporarily disable your antivirus or add an
If your game has multiple processes (common in modern launchers), try attaching to the one with the highest memory usage. 2. Run as Administrator
If the game is actively blocking the scanner, changing how Cheat Engine interacts with the CPU can help. Cheat Engine basics - Memory Mapped file - melonDS board I can give you a specific step-by-step for that game
If you have accidentally tweaked the "From" and "To" fields, CE might be looking in empty space. Look at the box.
This is a more advanced scenario, but the core issue is often similar—the script itself has a mistake. The AOB scan function inside the script might not be receiving a valid byte pattern to search for. In this case, "Please fill something in" means the didn't define a valid array of bytes for CE to scan. Run as Administrator If the game is actively
The "Cheat Engine Scan Error Thread 0 Please Fill Something In" is, more often than not, a simple signal that you need to provide a starting point for your search. By keeping this guide handy, you'll be able to quickly identify and resolve the issue, whether it's a forgotten value or a more technical system conflict.