Right-click the file and select Run as Administrator . This is required because the script needs permission to write to the System Store.
grep "Team R2R" /etc/ssl/certs/ca-certificates.crt install team r2r root certificate install
This is faster but less transparent.
From the list, select Trusted Root Certification Authorities . This is critical. Do not choose "Intermediate" or "Personal." Right-click the file and select Run as Administrator