could not establish a connection with the unity package manager local sever process. this is most likely due to a proxy or firewall configuration.
make sure theย process [c:/UnityPrjoect/2019.3.8f1/Editor/Data/Resources/PackageManager/Server/UnityPackageManager.exe]

is reachable via HTTP on the IP address 127.0.0.1.

์ด๋Ÿฐ์‹์œผ๋กœ ์—๋Ÿฌ๋ฉ”์„ธ์ง€๊ฐ€ ๋œจ๋Š”๋ฐ ๊ตฌ๊ธ€์— ์ณ๋ด๋„ ๋‚˜๋ž‘๊ฐ™์€์˜ค๋ฅ˜๊ฐ€ ๋‚ฌ๋˜์‚ฌ๋žŒ์ด ์ข€ ๋งŽ์ด ๋ณด์ด๊ธฐ๋Š”ํ•˜๋Š”๋ฐ ํ•ด๊ฒฐ์ฑ…์€ ์‚ฌ๋žŒ์€ ์—†๋”๋ผ

๋‚˜๋Š” ํ•œ 4~5๋ฒˆ์ •๋„ ๊ป๋‹คํ‚ค๋ฉด ๊ทธ์ค‘์— ํ•œ๋ฒˆ์€๋˜๋Š”๋ฐ ๋ง‰์ƒ ํ•ด๋ณผ๋ผ๋‹ˆ๊นŒ ์œ ๋‹ˆํ‹ฐ ์—๋””ํ„ฐ๊ฐ€ ๊ฐ‘์ž๊ธฐ ๋ชจ๋“  ํ‚ค๊ฐ€ ์•ˆ๋จน์„ ๋•Œ๊ฐ€์žˆ์Œ