Right-click the game's .exe file in the installation folder and select Run as administrator .
在极少数情况下，上述方案可能仍无法解决问题。这时，你可以考虑检查并授予游戏文件夹的完整访问权限。有时系统权限不足也会阻止游戏运行。你可以右键点击游戏的存档文件夹（ C:\Users\你的用户名\Documents\TechnoBrain\ATC4_g ），选择“属性”，在“安全”标签页中，确保你的当前账户拥有“完全控制”的权限。
If the game still won't launch, ensure your hardware meets the Minimum Specifications Windows 10 64-bit (Required) Processor: Intel 4th Gen Core i3 2.4GHz or better Intel HD Graphics 4400 or better Version 9.0 For deeper technical support, the developer TechnoBrain provides an official FAQ and support page specifically for this series. for adding the game to your antivirus exclusion list FAQ | I am an Air Traffic Controller 4 I Am An Air Traffic Controller 4 Application Not Found
After restarting, your system will use Japanese encoding for non-Unicode programs. Launch the game normally; the "Application not found" error should now be resolved.
If ATC4.exe is listed, restore it and add the game installation folder to the exclusion list. 4. Recreate the Desktop Shortcut Delete the current desktop shortcut. Navigate to the ATC4.exe file in the installation folder. Right-click ATC4.exe > > Desktop (create shortcut) . 5. Install Required Components (DirectX/Visual C++) Right-click the game's
When the "Application not found" error appears, the game launcher cannot locate or properly interpret the command needed to start the game engine. This is often not due to missing files, but rather because the command path has been corrupted by character encoding mismatches, leading to a broken launch parameter.
In the same menu, scroll down to Virus & threat protection settings and click Manage settings . Launch the game normally; the "Application not found"
The "Application Not Found" error in I Am An Air Traffic Controller 4 (ATC4) typically occurs because the game's executable path in Windows does not match the registry entry, or the main .exe file has been mistakenly quarantined by antivirus software.