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.

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.