"Failed to authenticate. Could not authenticate. There was a network issue."
- Error when logging in Pix4Dfields Desktop or ParrotFields.
- Error when starting a trial period.
There is a proxy/antivirus/firewall on the PC that does not allow the application to validate the HTTPS certificate chain. As a result, communication with the Pix4D login server is impossible.
To solve the login problem, the user (or system admin) needs to add an exception to the proxy/antivirus/firewall for one of the following options: