http://i586.photobucket.com/albums/ss309/Mad_Phellow/morrowinderror3.png

I get this message every time I try to open up Morrowind. I've got all the expansions installed, and it was working fine about 3-4 months ago, but this problem has stopped me from playing Morrowind. Does anybody know how I can fix this? Any help would be greatly appreciated!