Yeah this was happening to me last night.
1. Type in password and get to server select screen.
2. Hit to play any server (not just the P99 servers).
3. Find yourself at your desktop with no trace that EQ was ever running
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Reinstalled just now and not even getting past the login screen (perma "Logging into the server, please wait" message).
EDIT: Turned off firewall just now... same result :/