window 7.Its easy just follow my steps
First step
Go to start and search for Character Map
Second step
Open it and find blank word
Third step
Select it and click copy
Four step
Make new folder and in name click paste
Now you will see the folder saved without name so
Five step
Go properties to folder
customize and change icon with blank icon
Six step
Apply it and see results your folder becomes invisible
Enjoy it
See video tutorial
