Some internal conflicts could occur if all the icons disappeared from your Taskbar. However, if a single icon is missing, you can open the Windows Settings and go to Personalization > Taskbar.

On Windows 11, you can change the visibility of the desktop icons. You can hide them all or each one individually for a clean desktop without clutter. Or you can show as many as you want for quick ...

and the "This PC" icon will again disappear. Easily Add the "This PC" Icon to Your Desktop Windows 11 doesn't display the "This PC" icon on the desktop by default, so we have to add it manually.

Let us say you created a desktop shortcut using Chrome. And when you pin it to Start, the icon goes missing. Now in this case, do the following: Create another shortcut using the Chrome menu.