If the desktop is blank no task bar and icons ; the solution is here.

On the computer it's not showing the task bar and icons on the desktop, the wallpaper is there the desktop is blank.
steps to recover it,

1. Ctrl + Alt + Del to bring up Task Manager.
2. Click "New Task..." then click "Browse..."
3. Click My Computer on the left panel. Click C:\ - WINDOWS
4. Navigate to explorer.exe, right click and copy explorer. Rename it to explorer1 (.exe)
5. Hit Cancel to go back to Create New Task window. Type regedit.exe and click OK.
6. In the registry editor, navigate to the following Key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
7. With the Winlogon key selected, look in the right side window for the
'Shell" value.
8. Double click Shell. In the Value Data box, you should see Explorer.exe. Change it to
explorer1.exe and click OK.
9. Exit the registry editor and reboot the computer

This is caused due to Trojan virus after recovering the desktop icons run the antivirus or malware.