Virtual background shows a wooden staircase background even when set to None

Virtual background shows a wooden staircase background even when set to None, after reinstalling Zoom and resetting virtual background from web settings." "I already tried all these steps. I reinstalled Zoom completely, reset virtual background from zoom.us web settings, disabled virtual background from my account, and the wooden staircase background still appears. I need help please! and is only from my  laptop.