If you want you can disable the win logo key on your keyboard.

To disable the win logo key, follow the next steps:

1. Open the Registry Editor click on the Start button on your taskbar, then click on Run and type "regedit" and click on OK to start the regedit utility.
    
2. Expand HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout (see picture 1).
   
   

   Picture 1

3. Create a new Binary value with the name "Scancode Map".
    
4. Fill the new value with: 00,00,00,00,00,00,00,00,03,00,00,00,00,00,5b,e0,00,00,5c,e0,00,00,00,00 (see picture 2).
   
   

   Picture 2

5. The modifications you made will be in effect after you reboot your PC.