크롬으로 웹서핑을 하다보면 엣지에서는 아무 문제없이 잘 열리던 사이트가 열리지 않는 경우가 있는데요.
바로 아래와 같이 err_connection_closed라는 에러가 뜹니다.
![289058521 7db6c80a bdfd 44b2 b35d](https://user-images.githubusercontent.com/84913626/289058521-7db6c80a-bdfd-44b2-b35d-ff1e2ea92b5e.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.Rdl3McnA_nJxcf3ZRRlHSudDQO1IoKbVVrMqcFrXhzs)
크롬 ERR_CONNECTION_CLOSED 원인
현재 알려진 원인은 크롬이 잘 못 설치되었거나, 각종 보안프로그램의 오류, 프록시 등 네트워크 설정이 에러가 난 경우인데요.
먼저 각종 설정을 테스트해볼 필요가 있습니다. 각각의 설정을 확인해보면서 정상 접속이 가능한지 테스트해 볼 필요가 있습니다.
크롬 오류 해결 방법
CMD에서 IP 관련 설정을 초기화 해봅니다. 아래의 netsh 명령어를 통해서 ip와 winsock 설정을 초기화 합니다.
nbtstat –r
netsh int ip reset
netsh winsock reset
![289058798 f7847c77 ad16 4d1e ad30](https://user-images.githubusercontent.com/84913626/289058798-f7847c77-ad16-4d1e-ad30-5f6174c703c1.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.vTOCSOvaLXsteoW68JiQ_4hztMSQGaNcQNoNKBqzzPU)
이후 컴퓨터의 DNS 설정 역시 초기화 해봅니다.
ipconfig /flushdns
ipconfig /release
ipconfig /renew
![289058882 ef7df7a1 859e 4e96 ae30](https://user-images.githubusercontent.com/84913626/289058882-ef7df7a1-859e-4e96-ae30-f195ad7697f1.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.J7s3wsANPZb4rO3Dotn57_QLjvXlPVZldBejiMFqgl0)
그리고 크롬에 있는 확장 프로그램이 충돌 날 수 있으니, 확장프로그램 역시 잘 설치되었는지 확인해 봅니다. 확장 프로그램으로 접속한 다음 불필요한 플러그인은 삭제해 줍니다.
chrome://extensions/
![289059915 564cdc93 4419 4a54 9c67](https://user-images.githubusercontent.com/84913626/289059915-564cdc93-4419-4a54-9c67-ed572b8870c5.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.YarOeRARupFcBesK0rOGefE5GYSi3RV71H8nRS-b2e8)
그리고 혹시 프록시 서버 설정이 문제가 될 수도 있는데요.
설정 – 네트워크 및 인터넷 – 프록시에서 모든 프록시 설정을 꺼줍니다.
![289060282 ea245251 9fa4 4316 a6cd](https://user-images.githubusercontent.com/84913626/289060282-ea245251-9fa4-4316-a6cd-5034f32ca9c6.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.f3U1n9_x1aVnRSsxkbLd6ZgA-UJxAp_fRMGG2JweTV0)
여기까지 진행하고 상태를 확인해 봅니다.
그리고 인터넷 뱅킹 앱이 충돌을 일으킬수도 있으니, 혹시 최근에 설치한 프로그램도 삭제해 봅니다.
![289061078 15eb3ff0 5875 46ee a945](https://user-images.githubusercontent.com/84913626/289061078-15eb3ff0-5875-46ee-a945-19526374b515.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.4dgHIFZ2Am6PHEv-qCGjkpMrXOkiwMeWfJ1RcPAVds4)
그리고 컴퓨터를 재부팅하고 테스트해봅니다.