Connection failed: Client timed out the connection?

[countessaero]

What does that mean? How do I fix it? Please. Need help fast.

[Altumus]

This usually is just a temporary error due to a momentary network issue or congestion, if you are still getting this issue it could be indicative of a larger network issue. You will want to first check if you have a firewall that you have (or remove and readd) exceptions for ddo.