Occasionally, Mac users may notice that icons in the Finder of MacOS or the Dock of MacOS either display as generic icons, or the icons do not align with what they should (for example, seeing a generic document icon instead of a PDF thumbnail, or seeing a VLC icon instead of a zip archive icon, or seeing a generic application icon rather than Safari icon).
If you experience an issue with the icon display on the Mac, you can manually clear the icon cache, which will force the icon cache to rebuild, thereby resolving the inaccurate display of icons on the Mac.