UE 4.24.1 won't run (4.23 does)

I found some potential fixes for your problem, I will list them :

Unreal Engine 4 won’t open? Here’s how to fix this

  1. Run the UE 4 as admin
  2. Disable the antivirus
  3. Verify the installation
  4. Reinstall the Unreal Engine client
  5. Rollback Windows 10

here is a link to the site that has the “in depth” on each step, I highly recommend you visit the site, there is a ton of information on each step.

SOLVED: Unreal Engine 4 won't launch on Windows 10

God Bless you. May Jesus Christ be Charitable unto you.

Acts 10 : 33 - 48, google it, its Awesome.