specific to the WIN8 system we can do the following:
1, Hkey_current_usersoftwaremicrosoftwindowscurrentversionexploreruser Shell Folders, Desktop is your desktop path, do not set to all The desktop in the user folder.
2, Hkey_local_machinesoftwaremicrosoftwindowscurrentversionexploreruser Shell Folders, the common desktop key value is set to% allusersprofile% Desktop.
Copy the following to Notepad, and then save the file as Aa.reg, and double-click Aa.reg to import the registry.
Windows Registry Editor Version 5.00
[Hkey_local_machinesoftwaremicrosoftwindowscurrentversionexploreruser Shell Folders]
"Common Desktop" = "%allusersprofile% desktop"
If you feel that the settings registry is not a row, you can also use Third-party software to repair the icon, like 360 security guards have provided the function of icon repair, other software such as Rubik's Cube, Windows optimization Experts, Windows icon Repair tool can also fix the problem. In addition, sometimes desktop double icon may be caused by Trojans, if yes, please download a professional anti-virus software scanning system to try.