Launch initialization stuck at 35%


From the epic game launcher page when I click "Launch Unreal Engine 4.11.2, it brings up the editor. The problem I am having is the initialization stops at 35%. I’ve left it for hours and after a while it crashes. I am using a MAC system.

Please advice,


Hi Slacker4lyfe,

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 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!

i have same issue UE4 version 4.13 editor stuck at 35%. i have mac os 10.12 2.66 core i 7 and 8 gb of ram and 500 gb hard-disk why its stuck is their any solution for it

Hi mrmash21,

As stated above, please go to for additional assistance regarding the Epic Games Launcher. If you cannot find an article there that contains the pertinent information, please fill out the contact form using the “Email Us” button.

Why aren’t you guys sharing the solution to this problem ? Why the secrecy ?

So did anyone find the solution? I can’t find help on the