History of How to troubleshoot the error code "SEC_ERROR_UNKNOWN_ISSUER" on secure websites Category: Troubleshooting Revision history for: English Show Helpfulness Votes Chart Revision Status S Editor R Comment Jul 8, 2018, 2:29:58 PM Unreviewed AliceWyman You are about to mark this revision as Ready for Localization. Are you sure you wish to proceed? Submit Cancel Document contributors AliceWyman