Analysis - freezing/crashing when trying to check into a resort

**My sim wasn't checking in, she was actually staying at the resort she owned. It was fine for a bit (say half a sim day), then froze. Bushes and trees kept 'moving' and music kept playing. Second time it happened.

1. Disabled and removed them all.
2. Most recent - 1.55
3. New Game
4. Newly created sim.
5. Isla Paradiso
6. Windows 7
7. Download via Origin
8. Homeworld

Could you also please say what your system has:
1. NVIDIA GeForce GTX 550 Ti
2. 6144MB
3. Intel Core i7