I've only encountered the bug where the screen goes to black after activating the galaxy map with a lightside playthrough, and that was solved by removing any .utc files involving Bastila from the override folder before accessing the galaxy map, and then replacing after I reached the Star Forge.
You could try that, and you could also try removing any .utc files involving Carth as well, if there are any.
"They should rename the team to the Washington Government Sucks. Put Obama on the helmet. Line the entire walls of the stadium with the actual text of the ACA.
Fix their home team score on the board to the debt clock, they can win every game 17,000,000,000,000 to 24. Losing team gets taxed by the IRS 100%, then droned."