Cant launch game. Unhandled_Execption

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KayLittle
Fallen
1 | 0
It was working once before, then my computer updated and now i cant get it to load.
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mecheye
Bone Archer
70 | 7
What operating system do you use? Are you running any other programs with it like D2Stats? Can you provide the entirety of the Unhandled Exception error?