launching stops when download: "ast_es.lang"

here is the error information:
Name: ast_es.lang
URL: http://resources.download.minecraft.net/48/485585c4162664d3505c53324dbb7517a274d6da
Error details: Attempting to move successful download to C:/Users\Spiderking\AppData\Roaming\.minecraft\assets\objects\48/485585c4162664d3505c53324dbb7517a274d6da The process cannot access the file because it is being used by another process
Filename on disk: a2c5-cb31-8b00-3896
Path: C:\Users\SPIDER~1\AppData\Local\Temp\a2c5-cb31-8b00-3896
Exists: file