---
title: "App Safer troubleshooting"
slug: "appsafer-troubleshoot"
updated: 2026-09-17T09:05:08Z
published: 2026-09-17T09:19:55Z
canonical: "guide.ncloud-docs.com/appsafer-troubleshoot"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# App Safer troubleshooting

Available in Classic and VPC

This page lists problems you might run into when using App Safer. Click on the error to see more details.

## Troubleshooting common issues

The following are examples of common errors you might encounter:

[App installation error](/docs/en/appsafer-troubleshoot-common#%EC%95%B1%EC%84%A4%EC%B9%98%EC%98%A4%EB%A5%98) The app with App Safer applied does not install on the device.

[App Safer application failure](/docs/en/appsafer-troubleshoot-common#AppSafer%EC%A0%81%EC%9A%A9%EC%8B%A4%ED%8C%A8) Failure to register via Android APK easy application. Failure to register via iOS or Android SDK integration.

[App force quit](/docs/en/appsafer-troubleshoot-common#%EC%95%B1%EA%B0%95%EC%A0%9C%EC%A2%85%EB%A3%8C) The app with App Safer applied force quits after displaying an error message. The app with App Safer applied force quits without an error message. 'terminated. due.to security issues' message appears.

[App blocking error](/docs/en/appsafer-troubleshoot-common#%EC%95%B1%EC%B0%A8%EB%8B%A8%EC%98%A4) The app with App Safer applied is not properly blocked. The app with App Safer applied fails to block malicious apps.

[App function error after applying App Safer](/docs/en/appsafer-troubleshoot-common#AppSafer%EC%A0%81%EC%9A%A9%ED%9B%84%EC%95%B1%EA%B8%B0%EB%8A%A5%EC%98%A4%EB%A5%98) Specific app functions fail to operate after App Safer is applied.

[Deleting ''cannot display due to security policy'' message](/docs/en/appsafer-troubleshoot-common#) I want to remove or edit the ''cannot display due to security policy'' message that appears when the capture blocking and detection function is applied. I want to control the capture blocking and detection functions when App Safer is applied.

## Testing, debugging

[Verifying correct application of App Safer](/docs/en/appsafer-troubleshoot-test#AppSafer%EC%A0%95%EC%83%81%EC%A0%81%EC%9A%A9%EC%97%AC%EB%B6%80%ED%99%95%EC%9D%B8) I want to confirm whether App Safer has been correctly applied.

[Debugging not possible](/docs/en/appsafer-troubleshoot-test#%EB%94%94%EB%B2%84%EA%B9%85%EB%B6%88%EA%B0%80) Debugging is not possible when App Safer is applied.

## Security review

[Vulnerability found after applying App Safer](/docs/en/appsafer-troubleshoot-compliance#AppSafer%EC%A0%81%EC%9A%A9%ED%9B%84%EC%B7%A8%EC%95%BD%EC%A0%90%EB%B0%9C%EA%B2%AC) Despite applying App Safer, vulnerabilities were discovered during a compliance review.

## Learning resources

We offer various materials for you to explore. To learn more about App Safer, check out these helpful links:

- FAQ: [frequently asked questions about App Safer](https://www.ncloud.com/support/faq/prod?categoryCode2=SEC&categoryCode3=SV_0040&page=1)
- NAVER Cloud Platform blog: [NAVER and LINE security expertise, now in a mobile app security solution, App Safer](https://blog.naver.com/n_cloudplatform/222928533527?trackingCode=blog_bloghome_searchlist)

              Note

              

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