I am Armando Rodrigues working as IT Manager for a software company. I am here to guide those who are willing to install Norton Antivirus but facing problem doing that. It might be related to Renewal / Installation / Troubleshooting of Norton error or Norton security error 8504 104 . In different circumstances, we get to face different challenges. But, here, step by step, I will guide to solve these problems and run your Computer / PC / laptop free from Malware or virus