Maintenance for the week of April 15:
• [COMPLETE] ESO Store and Account System for maintenance – April 16, 8:00AM EDT (12:00 UTC) - 6:00PM EDT (22:00 UTC)
Thank you for linking to the troubleshooting steps you've tried so far to stop getting disconnected. Since none of those steps have helped, you should open a ticket with customer support if you've not done so. Our support team can look into possible culprits for the continued disconnections.