Unreal Engine 4 Download Error!

Hello,
I wanted to download the Unreal Engine 4 and test it.

But when i download it and then want so start another day or when i restart the program(Epic Games Launcher)
I always get this Error!

59674-ue4error.png

Can anyone help me pls?

Hi Semih2281,

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!