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:
To avoid running into thread crashes and scanner errors in the future, implement these best practices:
If you’ve landed here, you’re probably frustrated by the infamous message in Cheat Engine. This error halts memory scans, prevents value searching, and ruins your modding or game-testing workflow. Worse, most online guides give vague advice like "restart the program" or "disable antivirus" – which rarely works.
Always right-click Cheat Engine and select Run as Administrator . Without elevated privileges, Thread 0 may be blocked from reading the game's RAM entirely, leading to false "empty field" flags. Many modern games (even those with single-player modes)
: If your Windows %TEMP% folder is write-protected, massive rescans will fail. Open Cheat Engine and navigate to Edit > Settings . Choose Scan Settings from the left-hand column. Locate the Scan results directory field.
Follow these troubleshooting procedures in order to isolate and fix the underlying issue. 1. Change the Scan Results Storage Path
If you’ve tried all the above and still see the error, your installation might be corrupted, or you might be using an outdated version that is incompatible with your version of Windows. Uninstall Cheat Engine via the Control Panel. This error halts memory scans, prevents value searching,
: The most common reason for "Thread 0" errors is a lack of read/write permissions for the temporary files CE creates. Antivirus Interference
Thread 0 scan error: Memory read failure at address 0x%p (size %d). Possible causes: PAGE_NOACCESS region, virtual memory unmapped, anti-debug breakpoint, or target process suspended. Try MEM_PRIVATE scanning or increase timeout.
If the game has anti-cheat, the thread 0 error is its way of stopping you. You must run the game with anti-cheat disabled. Without elevated privileges, Thread 0 may be blocked
Toggle the option for . Switching between the standard Windows API and Cheat Engine's kernel-mode routines can bypass access blocks. Pro-Tips to Prevent Scan Errors in Future Sessions
How to Fix "Cheat Engine Scan Error: Thread 0 Please Fill Something In" 100% Better
