A few of you haven't had replies so here's some general troubleshooting tips:
-Post your entire debug.err file which can be opened with notepad from your GalCiv2 folder.
-***Like the original post states, update your video drivers.***
-If you have an ATI or nVIDIA card you can try 3rd party drivers from this
Link.
-Update your audio drivers.
-If you have a dual core processor check this
Link.
-Make sure your game is running the same resolution as your desktop.
-Try turning off anti-aliasing.
-Try running in window mode.
-Run the latest patch 1.0X (the 1.1 beta is not supported).
-Run Windows in English.
-Make sure you have enough virtual memory allocated.
If all else fails, try posting a thread of your own so it doesn't get lost. Quite a few people are willing to help you out that way. Also, you can email Stardock or go to their IRC channel: irc.stardock.com Hope this post helps some of you.