Even after installing the certificate, things can go wrong. Here is the troubleshooting hierarchy.
Team R2R typically distributes their certificate in two forms: a .cer file or a .reg file. This guide covers the most reliable method: . install team r2r root certificate
This guide explains how to install the certificate correctly on Windows to ensure your plugins run smoothly without "untrusted" errors. What is the Team R2R Root Certificate? Even after installing the certificate, things can go wrong