Make sure "Executable" memory is unchecked unless you are specifically looking for code injections. 6. Reinstall or Update Cheat Engine
If you are trying to find an unknown value (like a health bar with no numbers), change the to "Unknown initial value" before clicking First Scan. 2. You Forgot to Select a Process
Ensure that is checked (this is the default and most stable setting). Make sure "Executable" memory is unchecked unless you
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.
Games often run with high-level permissions to prevent external programs from messing with their memory. If Cheat Engine is running as a "Standard User" while your game is running as an "Administrator," Windows will block CE from accessing the game's threads. Close Cheat Engine completely. It doesn't automatically know which game you want to modify
By following these steps, you’ll clear the "Thread 0" error 99% of the time. Happy hacking!
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: resulting in a Scan Error.
The error message literally tells you what’s wrong:
Right-click the Cheat Engine shortcut and select Attach to the game and scan again. 4. Anti-Cheat Interference