If you are experiencing issues with a game not launching through the Epic Games Launcher, as a possible workaround, you can try to use the -SkipBuildPatchPrereq launcher option.
- Close the Epic Games Launcher entirely.
- Right-click on the Epic Games Launcher shortcut and click Properties.
- At the end of the Target line insert the following: -SkipBuildPatchPrereq
Important: Ensure you insert a space at the end of the Target line before adding -SkipBuildPatchPrereq
Example: "C:\Program Files (x86)\Epic Games\Launcher\Portal\Binaries\Win32\EpicGamesLauncher.exe" -SkipBuildPatchPrereq - Click on Apply.
- Right-click on the Epic Games Launcher shortcut.
- Click on Run as Administrator.
If this does not help, please follow the additional troubleshooting steps outlined in these guides provided by Epic Games: