mc wont work

[BillTDD]

minecraft wont work for me at all heres what it says when i try Name: netty-all-4.0.15.Final.jar URL: https://libraries.minecraft.net/io/netty/netty-all/4.0.15.Final/netty-all-4.0.15.Final.jar Error details: Attempting to move successful download to C:/Users\Student\AppData\Roaming\.minecraft\libraries\io/netty/netty-all/4.0.15.Final/netty-all-4.0.15.Final.jar The process cannot access the file because it is being used by another process Filename on disk: a99e-9c2a-360d-2782 Path: C:\Users\Student\AppData\Local\Temp\a99e-9c2a-360d-2782 Exists: file what does that mean!?

 

[BillTDD]

plz plz plz plz help

 

[boosted1g]

It means that you already installed it at one point.
Could be leftovers from a failed install/uninstall.

If nothing else browse to that folder, delete it, and then reinstall.