---
title: 앱 정품 인증 오류 해결 방법
description: "1. 자격 증명 제거 프로세스 안내드리는 자격증명 제거 가이드에 따라 PC에 저장된 계정 연결을 모두 해제한 후 재시도하여 문제가 해결되는지 확인 부탁드립니다. ** 참고: 조직의 다른 계정이 이 컴퓨터에 이미 로그인되어 있습니다. - Microsoft 365 Apps | Microsoft Learn   2. PC에 캐시 된 자격 증명 제거 1) 캐시 된"
---

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1. [플로우 도움말 센터](https://support.flow.team/ko/flow?hsLang=ko)
2. [업무 포털 상품](https://support.flow.team/ko/flow/%EC%97%85%EB%AC%B4-%ED%8F%AC%ED%84%B8-%EC%83%81%ED%92%88?hsLang=ko)
3. [마이크로소프트(MS)](https://support.flow.team/ko/flow/%EC%97%85%EB%AC%B4-%ED%8F%AC%ED%84%B8-%EC%83%81%ED%92%88?hsLang=ko#%EB%A7%88%EC%9D%B4%ED%81%AC%EB%A1%9C%EC%86%8C%ED%94%84%ED%8A%B8ms)

# 앱 정품 인증 오류 해결 방법

### **![역1](https://support.flow.team/hs-fs/hubfs/%5Bflow%5D/%ED%94%8C%EB%9E%AB%ED%8F%BC%EC%82%AC%EC%97%85%EB%B6%80/icon/%EC%97%AD1.png?width=20&height=20&name=%EC%97%AD1.png) 자격 증명 제거 프로세스**

#### 안내드린 자격 증명 제거 가이드에 따라 PC에 저장된 계정 연결을 모두 해제한 후 다시 시도해 주시고, 문제가 해결되는지 확인 부탁드립니다.

#### [조직의 다른 계정이 이 컴퓨터에 이미 로그인되어 있습니다.](https://learn.microsoft.com/ko-kr/office/troubleshoot/activation/another-account-already-signed-in)[- Microsoft 365 Apps | Microsoft Learn](https://learn.microsoft.com/ko-kr/office/troubleshoot/activation/another-account-already-signed-in)

### **![역2](https://support.flow.team/hs-fs/hubfs/%5Bflow%5D/%ED%94%8C%EB%9E%AB%ED%8F%BC%EC%82%AC%EC%97%85%EB%B6%80/icon/%EC%97%AD2.png?width=20&height=20&name=%EC%97%AD2.png) PC에 캐시된 자격 증명 제거**

####  ![정1](https://support.flow.team/hs-fs/hubfs/%5Bflow%5D/%ED%94%8C%EB%9E%AB%ED%8F%BC%EC%82%AC%EC%97%85%EB%B6%80/icon/%EC%A0%951.png?width=16&height=16&name=%EC%A0%951.png) 캐시된 자격증명 제거 방법

- MS M365 앱에서 로그아웃합니다.(참고: [Office에서 로그아웃 - Microsoft 지원](https://support.microsoft.com/ko-kr/office/office%EC%97%90%EC%84%9C-%EB%A1%9C%EA%B7%B8%EC%95%84%EC%9B%83-5a20dc11-47e9-4b6f-945d-478cb6d92071))
- Windows 자격 증명 관리자에서 Microsoft 관련 자격 증명을 모두 선택하여 제거합니다.
- Windows 설정 – 계정 – 회사 또는 학교 액세스에서 연결된 M365 계정을 선택하고 연결을 끊습니다.
- 디바이스를 다시 시작합니다.

**![image001](https://support.flow.team/hs-fs/hubfs/image001.png?width=670&height=598&name=image001.png)**

### **![역3](https://support.flow.team/hs-fs/hubfs/%5Bflow%5D/%ED%94%8C%EB%9E%AB%ED%8F%BC%EC%82%AC%EC%97%85%EB%B6%80/icon/%EC%97%AD3.png?width=20&height=20&name=%EC%97%AD3.png) 기타**

#### 위 가이드에 따라 자격 증명을 모두 삭제했음에도 문제가 해결되지 않는 경우, M365 문제 해결사 도구를 활용하여 원인을 파악할 수 있습니다.

![image002](https://support.flow.team/hs-fs/hubfs/image002.png?width=670&height=401&name=image002.png)

[Microsoft 365 문제 해결사 - Microsoft 지원](https://support.microsoft.com/ko-kr/windows/microsoft-365-troubleshooters-486d7956-6a21-4c75-bc4f-0704077c583c)

 

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