Game will not launch for first time use

I just purchased game today and downloaded to computer also purchased today and I get the following error on the first time launching game
Name: 1.11.json
URL: https://launchermeta.mojang.com/mc/assets/1.11/ea7f56173691250e9805db5e3dda2d65b951ede3/1.11.json
Error details: Attempting to move successful download to C:/Users\clmin\AppData\Roaming\.minecraft\assets\indexes/1.11.json The process cannot access the file because it is being used by another process
Filename on disk: 3f3f-c9a8-af7a-a26a
Path: C:\Users\clmin\AppData\Local\Temp\3f3f-c9a8-af7a-a26a
Exists: file