some of my mods weren't working so i saved the mods and the resource packs i use then i deleted my .minecraft folder. i load up minecraft log in try to load up 1.7.10 (without forge) i get the error message "Unable to save download. 1.8.json. (then i press more details it says this---->) Name: 1.8.json
URL: https://launchermeta.mojang.com/mc/assets/1.8/e264980ad255aad2174cbe4d674c102474ae5202/1.8.json
Error details: Attempting to move successful download to C:/Users\notem\AppData\Roaming\.minecraft\assets\indexes/1.8.json The process cannot access the file because it is being used by another process
Filename on disk: 38c7-46eb-7747-e933
Path: C:\Users\notem\AppData\Local\Temp\38c7-46eb-7747-e933
Exists: file