I'm not a horror movie fan. I like suspense movies but the blood/guts and gore every 30 seconds is just something I'm not into seeing.
Langoliers (the TV movie) freaked me out a bit. As it was a TV movie, the special effects weren't what they could be had it been a movie, so I can only imagine how a movie would have been.
Okay, I'm totally going to get laughed at for this next one, but I was 7-8 years old at the time, so please take that into account.
E.T. freaked the crap out of me at that age.

. It didn't matter that E.T. was a "friendly" alien, he scared the crap out me. I remember going to bed terrified that an alien would come to earth. I went to bed with every single stuffed animal that I owned, surrounding me on my bed (because in my mind those stuffed animals were going to protect me). My parents could barely find me in the bed to give me a kiss goodnight.
I'm a huge wuss. If I am told the movie is scary I won't see it at a theater. If I do actually see it, it will be in the comfort of my home with every light on.