When I log in to my launcher and push the "play" button I receive this error (in full text):

Name: client-1.12.xml
URL: https://launchermeta.mojang.com/mc/log_configs/client-1.12.xml/ef4f57b922df243d0cef096efe808c72db042149/client-1.12.xml
Error details: Attempting to move successful download to C:/Users\Isaiah\AppData\Roaming\.minecraft\assets\log_configs\client-1.12.xml The process cannot access the file because it is being used by another process
Filename on disk: bdf2-843b-aea7-89dd
Path: C:\Users\Isaiah\AppData\Local\Temp\bdf2-843b-aea7-89dd
Exists: file