Untrusted Developer iOS Origin: On your device Last updated 12 Oct 2026

Could not launch "App": process launch failed: Security / Untrusted Developer

The app installed, but iOS won’t run it because the developer certificate hasn’t been trusted on the device (common with free/enterprise accounts).

Exact message you may see Untrusted Developerprocess launch failed: SecurityCould not launchYour device management settings do not allow using apps from developer
Seen on: iOS

Meaning

Apps signed with a personal team or enterprise certificate must be trusted manually the first time in Settings → General → VPN & Device Management.

Common causes

  • Developer profile not yet trusted on the device
  • Enterprise certificate requiring trust
  • Network needed to verify the developer

⚡ Quick fix

  1. Settings → General → VPN & Device Management → trust the developer
  2. Connect to the internet for verification
  3. Run again from Xcode

Detailed fix by platform

Device

  1. Settings → General → VPN & Device Management → Developer App → Trust "Apple Development: you@example.com"

How to diagnose

  1. Device — Profile trusted?
  2. Account — Free/enterprise?

🔧 Still not fixed?

Many errors look alike. If the steps above didn’t solve it, one of these is probably what you’re facing:

Where this error sits

Origin: On your device. Errors that are often confused with or caused by this one (click to open):

adb unauthorized — adb: device unauthorized. This adb server's $ADB_VENDOR_KEYS is not set (Android)adb unauthorizedCommand CodeSign failed — Command CodeSign failed with a nonzero exit code (errSecInternalComponent / resource fork, Finder information not allowed) (iOS)Command CodeSign fail…doesn't include signing certificate — Provisioning profile "x" doesn't include signing certificate "Apple Development: Name (ID)" (iOS)doesn't include signi…doesn't include the currently selected device — Provisioning profile "x" doesn't include the currently selected device (iOS)doesn't include the c…Failed to prepare device for development — Xcode: Failed to prepare device for development / iPhone is not available. Please reconnect the device (iOS)Failed to prepare dev…Failed to register bundle identifier — Failed to register bundle identifier: The app identifier "com.x" cannot be registered to your development team because it is not available (iOS)Failed to register bu…integrity could not be verified — Unable to Install "App": This app cannot be installed because its integrity could not be verified (iOS)integrity could not b…no devices/emulators found — adb: no devices/emulators found / error: device not found (Android)no devices/emulators …Untrusted…

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