Ensure that you have actually entered a value to search for. Check the box in the main interface.
The most frequent cause is a lack of system-level permissions. Right-click the shortcut or executable. Ensure that you have actually entered a value to search for
Many modern games use anti-cheat software (like VAC or Easy Anti-Cheat) that explicitly blocks Cheat Engine from attaching to the game process. Ensure that you have actually entered a value to search for