Follow the How To Connect To DominusCO guide, after the download is done, open up the Dominus main folder directory. Right click on the play.exe file, and change these settings..... Remember to change the same thing on the conquer.exe file.
1) Right click on play.exe,
2) Click the compatability tab at the top,
3) Click the options
a) Run This Program as an administrator
b) Disable Desktop Composition
c) Disable Display Scaling on high DPI Settings
d) Run this program as an administrator.
Remember do this these same steps to conquer.exe and play.exe