Maintenance for the week of May 18:
· [COMPLETE] NA megaservers for maintenance – May 18, 4:00AM EDT (8:00 UTC) - 9:00AM EDT (13:00 UTC)
· [COMPLETE] EU megaservers for maintenance – May 18, 8:00 UTC (4:00AM EDT) - 13:00 UTC (9:00AM EDT)
what precisely is your launcher getting stuck on?
the thread i linked shows how to find the report log and determine where the failure occurs. while the cause of your particular issue may differ slightly from the ISP issue (supposedly, according to ZOS anyway), the diagnostic procedure should be the same.