Aion Error E02018
January 6th, 2020 Update:
As of today, I will no longer be updating or maintaining the game files, nor will I be checking in on the forums very often, soon to be at all. It's been fun helping you all out over the last several years, but it's time for me to retire because I no longer play Aion nor do I plan on returning to Aion.
Thank you, all, for all the help, service, support, and love over the last ten years.
Cheesecake
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Sorry for slow responses. At work lol.
Try pulling up cmd (command line) in administrator mode and type
netsh winsock reset
Then hit enter.
Then try running the game again.
If that doesn't work, try running Aion in compatibility mode (right click the aion.bin file in bin32/bin64, I think, and click properties). Or unchecking compatibility mode if it's already checked.
Also make sure Aion is whitelisted with your antivirus and firewall.