You can show or hide common icons like This PC Computer, User's Files, Network, Recycle Bin, Control Panel on Windows 11 desktop by following this tip.

Want smaller icons on your PC? This guide shows you how to change desktop icon size in Windows 10 quickly and simply.

Did it move those icons to the "Unused Desktop Icons" or whatever folder? Or maybe it moved it to this folder, and then you deleted the folder and it fucked something up?