Cheat Engine Scan Error Thread 0 Please Fill Something In 100 Best Instant

For hidden values like health bars, choose Unknown initial value for your first scan. Then, lose health in-game and scan for Decreased value .

Fixing the Cheat Engine "Scan Error: Thread 0: Please Fill Something In"

The fast scan feature can cause crashes in some games. For hidden values like health bars, choose Unknown

Sometimes the thread just hangs. Close and reopen.

The Start and Stop address boxes in the scan options are blank, corrupted, or set to 0. For hidden values like health bars

Right-click CheatEngine.exe and select "Run as administrator" [2].

In short:

Click the computer icon, select the game, and click "Keep current address list".

Fullscreen can interfere with debugging. select the game

Switch Settings -> Debugger to ReadProcessMemory .