NEW: Wendy Williams taken away by ambulance after dropping a note from her window, pleading for help.Williams, 60, who is not allowed to go outside, was put in an assisted living facility by family.Police responded to her unit after a note dropped from the window that read "Help! Wendy!!"Williams, who was diagnosed with frontotemporal dementia, has been fighting her court-ordered guardianship and says she is rarely allowed to leave her room.