hi @DoubleBGames ,
Have you opened the Epic Games Launcher Right Click and “Run As Administrator” and answered “Yes” to the Administrator Question
Then run “Verify” on the current installation in post
Verify
This quite often happens in Updates, due to the way download take place.
For the Fortnite engineers.
This is not in the UE 5.5 standard source so cannot see the problems.
Seems like an Installtion problem