The necessary prerequisites have failed to install Error Code SU-PQR1603

When I launch the Epic Games Launcher everything downloads succesfully but after it requests Admin permissions I get this error:

Self Update Failed

The necessary prequesites have failed to install. Please contact support

Error Code: SU-PQR1603

I am a first time installer

Decent PC

Windows 7

Hi s4Ndw1ch,

I’m sorry that you are having an issue with the Epic Games Launcher. In order for us to offer the best support, we have recently modified the process for how Epic Games can help troubleshoot your Launcher issue. Please visit http://help.epicgames.com/ for technical support, here you can find information and solutions for common issues, as well as a contact form if you still need additional assistance. Thanks!