If you receive an error that the servers are currently undergoing maintenance, but maintenance has concluded, please follow the directions below to resolve your problem;
1. If you can see the ‘Refresh’ button from the launcher, please click the ‘Refresh’ button and restart the game.
2. If you are not able to see the ‘Refresh’ button from the launcher, please delete ads.dat file from the Astellia installed folder and restart the game.
If the aforementioned does not resolve the issue, please try the following steps below:
1. Navigate to;
2. Delete the "cache" folder and all of its contents.
Follow >these< steps to view hidden folders
3. Launch Astellia