Yes, there are a few command-line options, but nothing that's going to help this situation. Uninstalling/re-installing the software won't help, either. I suspect the problem is not the TD, but the VM. I *would* target IE, but if you've tried 3 flavors already, I think that can be eliminated. I have no experience whatsoever with Parallels, but I'm thinking it might not be quite up to the task. Only suggestion I can think of is to try VMWare.