---
title: "I get \"Unable to Verify\" error message when trying to establishing trust for the diagnostics app."
canonical: "https://support.blancco.com/space/KB/11633244/I%20get%20%22Unable%20to%20Verify%22%20error%20message%20when%20trying%20to%20establishing%20trust%20for%20the%20diagnostics%20app."
format: markdown
---
An Internet connection is required on the device when establishing trust for the app developer.

More info from Apple: [https://support.apple.com/en-us/HT204460](https://support.apple.com/en-us/HT204460)