[기타] Pycharm(JetBrain) 실행에러 (Cannot connect to already running IDE instance.)

에러문구

Cannot connect to already running IDE instance. Exception: Process 12,772 is still running

 

해결방안

https://youtrack.jetbrains.com/issue/IDEA-330531

JetBrain이 설치된 디렉토리 가서 .lock 파일 삭제