It looks like your software isn´t able to comunicate with your network interface.
OpenAdapter : EXCEPTION!
SendPackage : EXCEPTION!
I would try some things . ..
Have you tried running your software in Windows XP compatibility mode ?
Do you have other network interface, that you could plug and try to use it ? Maibe with another driver, your software can work.
Have you tried using the latest version of WinpCap ?
This software is trying to send Spoofed packages. Most Lan cards nowadays are able to do that. But if your card doeasn´t support it ?
I´m not trying to solve your problem, but I´m giving you some ideas, so we can think together ...
Let´s try