After pressing button PLAY - Download 1.12 - The Latest Release we get message:
ERROR: Unable to save download. client-1.12.xml

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\Josh\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: b77d-2de2-c8db-abd2
Path: C:\Users\Josh\AppData\Local\Temp\b77d-2de2-c8db-abd2
Exists: file

Please fix this ASAP-Thank you!