Please make sure all your antivirus/firewall programs have both the DC Universe.exe programs as well as the launchpad.exe programs set as an exception.
Light, I'm sorry you haven't received a response yet. Send me the reference number and I'll take a look over it.
I myself am having difficulty. the SOE Launchpad wont launch when I try to launch it it flashes my screen then goes back to desktop. My system information below
We're going to need more information so I highly recommend submitting in a support ticket with both your Dxdiag/msinfo so we can further assist you!