Because of this, when there is a problem with the cache file, it will cause the system icon to display abnormally. Now that we have found the reason and the solution is simple, we just need to delete the problematic icon cache file and let the system re-establish the icon cache.
Second, the operation method
First, since the icon cache file is a hidden file, we need to change the setting to "Show all files" in Explorer. Operation method:
1) Open any folder.
2) Click "View" menu, and then check "Hide items".
At the same time, press the shortcut key Win+R, enter %localappdata% in the open running window, and press Enter.
In the open folder, locate Iconcache.db and delete it.
Right-click the taskbar and click Task Manager in the pop-up menu.
six
Find "Windows Explorer" in Task Manager, right-click and select "Restart" to rebuild the icon cache.