Installing a CA Signing Certificate
After creating a Certificate Signing Request (CSR) during the process described in Manually Updating the Certificate, you must install the CA certificate on your local machine in order for your browser to stop showing the security warning.
On your local machine, navigate to the CA certificate.

Double-click the CA certificate and select Install Certificate.
In the Certificate Import Wizard, under Store Location, select Local Machine and click Next.

Select Place all certificates in the following store.
Click Browse...
Select Trusted Root Certification Authorities and click OK.

Relaunch your browser and navigate to the Command 360 URL. The certificate warning should no longer appear.