Win10 system icon shows how to solve the error

  
1, because the icon cache file is a hidden file, you need to first set in the folder options “ show hidden files, folders and drives, as shown below:

2, press Win+R Open the run, enter %localappdata% Enter, as shown below, find the Iconcache.db file in the open folder to delete it.

3, you can re-generate the icon cache after restarting the resource manager or logging out and logging back in.

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