This message can be benign although disconcerting. Nothing bad happened despite these logs:
[11:55:01 INFO]: Looking for orphaned versions to clean up...
[11:55:01 FATAL]: Fatal error launching game. Report this to http://bugs.mojang.com please!
java.io.FileNotFoundException: File 'C:\Users*************\Desktop\MCSERVER\New folder\.minecraft\assets\indexes\legacy.json' does not exist
[13:04:18 INFO]: Game ended with no troubles detected (exit code 0)
Minecraft has to live within the windows permission system.
Can you see the difference between: C:\Users\eddie\ and C:\Users\MrEd ?
One is your windows user directory... and one is NOT.
@Hugo, your stack is the benign version I mentioned above.
The problem is indicated by
The benign version has
One is attempting to access the file to get the assets and run the game. The other is speculatively attempting to clean up after the game has already exited. [All failures should really be being silently suppressed by Mojang during cleanup, but they don't do that]