That's right, an un-openable file.
This is very easy, but if you have a friend who isn't as tech-savvy as you are, they will be completely perplexed.
-A Windows Computer
-Three-Quarters of a brain (more or less)
-A icon file of your choice (Navigate to Coverticon to convert almost any image to an .ico file)
And that's it!
Step 1: How to make it
Enough chatter, let's get started.
And you're done!