Hello! I'm Jen, and I'd be happy to help you out with this issue.
I'm sorry to hear you're experiencing this issue. Try rebooting your computer and then click Start > Settings > Personalization > Taskbar > Make sure to turn on 'Copilot in Windows'. Let me know if this works. Thank you.
I hope this information helps. If you have any questions, please let me know and I'll be glad to assist you further.
Best Regards!
Jen :)