In Windows 10, icons are the items you click on to open different programs and files. They're usually a small picture with the title of the file beneath them.

Even refreshing the File Explorer multiple times is of no help and the black square appears to be a perpetual issue. Black background behind File or Folder icons on Windows desktop ...

You can identify an offline file by the overlay that shows an “x” character in the lower-left corner of the file icon. Instead, an “normal file” icon may display the offline files. This ...

How To Change the Icon for an EXE File. Changing the icons used by programs on your computer is a great way to customize your business computer and reflect your corporate personality on the ...

This function can be turned on and off in Finder -> View -> Show View Options by checking the box next to Show Preview Icon, but in some cases it may not work even if you have the setting enabled.