Ensure you have the latest .NET Framework (version 4.8 or higher) installed.
Steam will scan your folder and redownload any missing or broken components. Disable Antivirus and Windows Defender
If you use a multi-monitor setup or recently disconnected a screen, the settings window might be opening "off-screen." Launch settings.exe. pes 2021 settingsexe not opening new
If you are trying to optimize your graphics or change your controller mapping, it is incredibly frustrating when the settings.exe file for PES 2021 simply refuses to launch. This is a common issue with the PC version of eFootball PES 2021 Season Update, often caused by missing software components, administrative restrictions, or hardware detection errors.
Windows often blocks auxiliary executable files like settings.exe if it deems them a security risk. Ensure you have the latest
Check your Quarantine folder to see if settings.exe was moved there. Move the Folder Out of System Directories
Sometimes, security software flags the settings tool as a "false positive" and kills the process before it can open. Temporarily disable your real-time antivirus protection. If you are trying to optimize your graphics
Install the Visual C++ Redistributable Packages (both x86 and x64 versions) for 2015, 2017, and 2019. Verify Integrity of Game Files
💡 : If the file still won't open, you can manually edit your settings by finding the settings.dat file in your Documents\KONAMI\eFootball PES 2021 Season Update folder, though using the .exe is much safer for most users.
If you see it in the taskbar but not on screen, hold the Windows Key + Shift + Left/Right Arrow to snap it back into your current view.