How to stop the Epic Games Launcher from running on PC startup?
The Epic Games Launcher is automatically enabled to run on Windows startup, but you can turn this off in two ways.
Legacy Epic Games Launcher settings
Launch the legacy Epic Games Launcher
Click the player icon in the top-right of the launcher.
Choose Settings.
Under preferences, uncheck Run When My Computer Starts.
Windows settings
Press the Ctrl + Shift + Esc keys on your keyboard
Click the Startup apps tab.
Right-click on the EpicGamesLauncher app.
Select Disable.
Epic Games Launcher Preview settings
Open the Epic Games Launcher Preview.
Click on the Epic Games Logo in the top-left corner.
Select Settings.
Select General section.
Uncheck Run launcher on startup.