My world has come crashing down when i found 100's of child porn images on my husband's laptop. We have a beautiful family. What should i do?

I would definitely be shocked and disgusted, to be honest. But nonetheless, he is my husband and I'd want to help him through it (assuming it's an unhealthy addiction). You should talk to him about it, and see if there's anything that you could do to help him through it. Like any other addiction, it could need treatment.