Hi. My name is Lester, and I am an Independent Advisor. I'm sorry that you are experiencing this issue. I'd be more than happy to assist you.
Please try the following steps:
First, go to Settings > Personalization > Taskbar. Scroll down and toggle off the 'Show news and interests on the taskbar.'
Next, go to Settings > Personalization > Start. Ensure the 'Use Start full screen' toggle is OFF.
I hope this information is helpful. Please don't hesitate to reach out if you have any more questions. Thank you