launcher error

I have error message as below when I try to launch Minecraft 1.15.2on minecraft launcher.

I attached error message screen shot as well.

I am looking forward for your prompt answer.

Thanks

 

 

파일 다운로드에 실패했습니다.
이름: creative1.ogg
URL: https://resources.download.minecraft.net/3f/3fe4c878450d4dc2bf3ac304e547f20d4efabad8
오류 상세 정보: Operation too slow. Less than 30 bytes/sec transferred the last 60 seconds
디스크상의 파일명: 3fe4c878450d4dc2bf3ac304e547f20d4efabad8
경로: C:\Users\munic\AppData\Roaming\.minecraft\assets\objects\3f\3fe4c878450d4dc2bf3ac304e547f20d4efabad8
존재 여부: File