If you are reading this post, you have likely just encountered one of the most frustrating and confusing pop-ups in Cheat Engine history. You tried to initiate a scan, and instead of a list of values, you were greeted with a dialog box that says something along the lines of:
If the memory region is protected or not marked as "writable," a default scan may fail to find results or error out. Solving the Cheat Engine "Scan Error: Thread 0"
Try changing the Value Type to "All" instead of a specific byte type (like 4-byte) to ensure the value isn't being missed. Step 3 – Adjust scan type
Adjust scan speed / step size
If the game has anti-cheat, you may need a bypass or to run the game in offline mode. Solving the Cheat Engine "Scan Error: Thread 0"
The error message "Scan error: thread 0: Please fill something in 100" typically occurs in Cheat Engine when the user attempts to perform a scan without providing a valid input value in the search box. In this context, "100" refers to the specific value you were likely trying to search for or a placeholder in the error string. Troubleshooting the Error