Dog scared of my room?

My dog for some reason despises my room, and shes never been in it as far as im aware. I've tried cleaning incase it was some faint smell, but still hates it. She loves me so it isnt the fact its where I sleep or something. My cat can stay in there for hours at a time happily and sleeps on my bed though, so im confused. Could it be because theres lots of stuff in there or maybe a noise from my PC? Any advice helps.

Edit: She can also happily sit and sleep right outside, even with my door wide open.