Many users see a "Runtime error (at 104:176): Cannot open file" or "Operation did not complete because the file contains a virus" message during setup.
: Go to Windows Security > Virus & threat protection > Manage settings > Exclusions and add your browser's download folder or the specific installer .exe to the list.
: Cheat Engine often uses an "online installer" that needs a stable internet connection to download core files from cloudfront.net during the process. 2. Fix Crashing or Freezing (Access Violations) Download File Cheat Engine Error Fixer-XW.zip
: Games with active Easy Anti-Cheat (EAC) or BattlEye will block Cheat Engine. You must typically launch the game in an offline or "insecure" mode to use Cheat Engine effectively. Cheat Engine Wont Install · Issue #1517 - GitHub
: Temporarily turn off Windows Defender or your third-party antivirus before running the installer. Many users see a "Runtime error (at 104:176):
: Find your cheatengine-x86_64.exe in the installation folder, right-click Properties , and look for settings to override system-wide "Randomize memory allocations" (Bottom-up ASLR) and set it to Off for that application.
: Right-click the program and select Run as Administrator to ensure it has the necessary permissions to scan game memory. 3. Fix "No Readable Memory Found" Cheat Engine Wont Install · Issue #1517 -
This error occurs when Cheat Engine cannot hook into the game process correctly.