If you have access to a zip/rar software, we might be able to find the dmp manually and forward it to the devs.
To do so:
Close the game.
Press Windows Key + R (or use the Run feature if using Windows 8.)
In the entry box type %userprofile%\appdata and press enter, or click OK
In the new window navigate to C:\...\appdata\Local\Ironclad Games\Sins of a Dark Age\Diagnostics\
From here there should be .dmp files. Try to find the dmp and the log file of the same timestamp. You may have to sort by Date Modified to view them. Then zip/rar them and attach them in an email to support@ironcladgames.com