UE4 crashed after fortnite update

Hi there,

This website is intended UE4 developers. For Fortnite issues, please visit http://fortnitehelp.epicgames.com/

There you will find various troubleshooting articles as well as an Email Us button that you can use to get in touch with one of our support staff who can assist you further with this.

Any other questions or concerns regarding Fortnite should be directed to the Fortnite forums located here: https://www.epicgames.com/fortnite/forums

Thank you

In april fortnite still worked perfectly then came season 4 and I was very excited, after which I upgraded fortnite and wanted to start the game it has crashed and now I can not play fortnite anymore.
is there a way to fix that? or is it a bug?

sorry for my english i have translated it xD