Name: death3.ogg
URL: https://resources.download.minecraft.net/aa/aa10d6c0b4941f35b7129ee0b9905536826f2422
Error details: Attempting to move successful download to C:/Users\LeumasGamers\AppData\Roaming\.minecraft\assets\objects\aa/aa10d6c0b4941f35b7129ee0b9905536826f2422 The process cannot access the file because it is being used by another process
Filename on disk: 1ba0-2543-14bb-b645
Path: C:\Users\LEUMAS~1\AppData\Local\Temp\1ba0-2543-14bb-b645
Exists: file
It means you have to close Minecraft before moving data files of the world you were playing in. If Minecraft is already closed, then it didn't close the world properly; you might have to find something in the Task Manager connected to it and force close that or simply restart your computer.
Name: death3.ogg
URL: https://resources.download.minecraft.net/aa/aa10d6c0b4941f35b7129ee0b9905536826f2422
Error details: Attempting to move successful download to C:/Users\LeumasGamers\AppData\Roaming\.minecraft\assets\objects\aa/aa10d6c0b4941f35b7129ee0b9905536826f2422 The process cannot access the file because it is being used by another process
Filename on disk: 1ba0-2543-14bb-b645
Path: C:\Users\LEUMAS~1\AppData\Local\Temp\1ba0-2543-14bb-b645
Exists: file
What does this mean
It means you have to close Minecraft before moving data files of the world you were playing in. If Minecraft is already closed, then it didn't close the world properly; you might have to find something in the Task Manager connected to it and force close that or simply restart your computer.
Uninstall bytefence, see https://www.reddit.com/r/Minecraft/wiki/updateaquaticfaq