When I open epic games launcher and try to launch fortnite it immediately crashes.
Thank you for reporting this issue, although Answerhub is for issues related to Unreal Engine 4 in particular. For support with Fortnite and for reporting these types of issues, please go to http://fortnitehelp.epicgames.com/
As for reporting crashes in particular, simply filling out the crash reporter window that comes up with your specifications and what happened prior to the crash would be best. All of those crash reports do go into our database and are checked.
For submitting support tickets on your own, the “Email Us” button on the right side of the page is the best option.