Hi Derek,
Do you get this issue if you do a clean install of 7.9 M4?
To do this please follow these steps:
http://support.displaylink.com/knowl...ink-software-o
And then reinstall 7.9 M4.
If you still hit this issue please attach the output from this tool:
http://support.displaylink.com/knowl...to-displaylink
Thanks,
James