Try these solutions in order. The first solution may fix 80% of cases.
:
Cheat Engine needs deep access to your RAM to find values. If it doesn't have permission, the scanning threads will fail immediately. Try these solutions in order
: Ensure you have typed the exact number you are looking for (e.g., "100" for health or gold) into the box labeled before clicking First Scan Check Hexadecimal Settings : If you have the Try these solutions in order
) and add an exception for the Cheat Engine installation folder. Still stuck? Try these solutions in order