Feral Heart

hello, im having a problem with one of my computers feralheart, and i dont understand why its doing it, ive checked everything, and ive gotten rid of the drek meshes, as they used to be the culprate of it,  but now the drek meshes are gone and its doing this i dont know. i think it might be something to do with meshes........... i just real;ly dont want to end up with only 1 good pc to play fh on , it was working fine at 10:00AM and at 10:45AM it crahsed, then started closing when i went to open it......... any help?