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).
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
- Settings → General → VPN & Device Management → trust the developer
- Connect to the internet for verification
- Run again from Xcode
Detailed fix by platform
Device
Settings → General → VPN & Device Management → Developer App → Trust "Apple Development: you@example.com"
How to diagnose
- Device — Profile trusted?
- 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:
Similar errors
- adb unauthorized adb: device unauthorized. This adb server's $ADB_VENDOR_KEYS is not set
- Command CodeSign failed Command CodeSign failed with a nonzero exit code (errSecInternalComponent / resource fork, Finder information not allowed)
- doesn't include signing certificate Provisioning profile "x" doesn't include signing certificate "Apple Development: Name (ID)"
Most viewed in iOS
Other ways to find it
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Last updated 7 Oct 2026