Problem with Epic games launcher and fortnite

hi i am having a problem with my epic games launcher as it has visual problems when i run it and then when i run fortnite it crashes after loading pls help!

Hello,

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.

Thanks