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The Client or Virtual Terminal of PayGuardian will not be functional through the system tray for either transaction processing or accessing configuration menus. Please update the SSL Certificate using the instructions above, or upgrade to PayGuardian v.2.4.12 by logging into the BridgePay Integration Support portal: https://bridgepaynetwork.force.com/is/s/login/ then download and install the latest version.
Replacing the SSL Certificate Manually
Stop the PayGuardian service
Replace the PayGuardian.jks in this directory with the one in the link below: C:/Program Files (x86)/BridgePay/PayGuardian/Config
Link to the new certificate
Restart the PayGuardian service