Can't sign in UE4

Hi UE 4 Supporters,

Everyday I work well with UE4 but yesterday (Aug 6) I click on launcher.exe it updated something. After that I could not sign in UE4 (See the attached image).

I tried many times to uninstall/install but still got the same problem. If I tried wrong password it alerted immediately said wrong credentials.

Now I can not do anything with my unfinished work.

Help me pls,



I am having the exact same issue with my mac and my windows (parallel)

I don’t believe it is a firewall issue as other computers with that bring up the “Valdiation needed” error, this just loads into oblivion.

Hey everyone,

First, try the steps in this section of the troubleshooting guide.

If nothing works, post a report in the Installation & Setup section of AnswerHub with the following info.

Follow the steps here to generate your Debug Logs and post them, along with your Dxdiag (system specs).