Operation phenomenon:
In the Windows 11 Start Menu, there is an area called "Recommended", where some recently opened items will be displayed.
Solution:
1. Start by opening up the "Settings" app from the Start Menu.
2. Find "Personalization" and click "Start".
3. Turn off the "Show recently opened items in Start, Jump Lists, and File Explorer".
4. The files you recently opened will no longer appear as recommended on the Windows 11 start menu.