Maintenance for the week of August 3:
• [IN PROGRESS] ESO Store and Account System for maintenance – August 4, 5:00AM EDT (9:00 UTC) - 4:00PM EDT (20:00 UTC)
Since disabling add-ons and repairing have not helped, you should go ahead and start a ticket with customer support. You can post the ticket number here if you need any updates on the current status.