If you are receiving this error, please update the date/time/year on your computer to make sure it matches your motherboard.
To change your computer's time and time zone:
Doing so should resolve your concern.
To change your time zone, click the Time Zone tab. In the box above the map, click the drop-down arrow, and then click your current time zone.
If none of this resolves your concern, perhaps the DDO servers are down.Please check your launcher or the forums for updates on server status.
Problem: 0x800B0101 (CERT_E_EXPIRED: A required certificate is not within its validity period when verifying against the current system clock or the timestamp in the signed file.)