Did you try switching to windowed mode, or fake fullsacreen?
Please email supportdos@larian.com, with a description of the problem and the report.zip file generated by the
D:OS support tool (for the PC version). The report will contain system and game information, any crash dumps, and your saved games (which are not relevant in this case, if you manged to get that far, so if file size is an issue they can be deleted from the zip).