So I try to update to 1.12 and it does not work. I have tried uninstalling Minecraft and deleting .minecraft and restarting my PC but nothing works. This is what it says when I try to update:ERROR

Unable to save download. li_li.lang
Name: li_li.lang
URL: http://resources.download.minecraft.net/6c/6c4735111678727999e989ec2ff862291f0959a6
Error details: Attempting to move successful download to C:/Users\Max Morgan\AppData\Roaming\.minecraft\assets\objects\6c/6c4735111678727999e989ec2ff862291f0959a6 The process cannot access the file because it is being used by another process
Filename on disk: 281b-35bd-e88d-d993
Path: C:\Users\MAXMOR~1\AppData\Local\Temp\281b-35bd-e88d-d993
Exists: file