If you’ve been trying to hack your favorite single-player game and were greeted with the frustrating message, you aren't alone. This error is one of the most common roadblocks for Cheat Engine (CE) users, typically appearing right after you hit "First Scan."
The good news? It’s rarely a "broken" program. It’s almost always a configuration hiccup or a simple oversight in how you’ve set up your scan. Here is the definitive guide to fixing this error and getting back to your game. 1. The Most Common Culprit: Empty Value Fields
Click the (Select Process) in the top-left corner. Go to the Processes or Applications tab. If you’ve been trying to hack your favorite
Check if the game has an offline mode or a way to launch without the anti-cheat (often via a custom launcher or a command-line argument like -noeac ).
Download the latest version from the official cheatengine.org website. Restart your PC and try a fresh scan. Summary Checklist Did I type a number in the box? Is Cheat Engine attached to the game process? Am I running Cheat Engine as an Administrator ? Is a hidden anti-cheat blocking the scan? It’s almost always a configuration hiccup or a
Select your game’s executable (e.g., eldenring.exe ) and click . Try your scan again. 3. Administrative Privileges
Sometimes the error occurs because CE is trying to scan memory addresses that are protected or "Read Only." Go to Edit > Settings in Cheat Engine. Click on Scan Settings . The Most Common Culprit: Empty Value Fields Click
Cheat Engine is a powerful tool, but it isn't psychic. It doesn't automatically know which game you want to modify. If you haven't attached CE to your game's process, the memory scanner has "Thread 0" (no active thread) to work with.
Never attempt to bypass anti-cheat in multiplayer games, as this will lead to a permanent ban. 5. Check Your Scan Settings (Writable Memory)
Many modern games (even those with single-player modes) come bundled with Anti-Cheat software like or BattlEye . These programs specifically look for "Thread" manipulation and will block Cheat Engine from reading the memory, resulting in a Scan Error. The Fix: