Maintenance for the week of August 3:
• [COMPLETE] ESO Store and Account System for maintenance – August 4, 5:00AM EDT (9:00 UTC) - 4:00PM EDT (20:00 UTC)
I'm not entirely clear what the nature of the problem is from your wording, but I logged into PC EU 20 minutes ago without any issue (or queue). Playing from the UK direct through ZOS, i.e. not using Steam or Stadia.