When you clicked on "Refresh" you would have got a message as below:
Refresh your PC
Here’s what will happen
. Your files and personalization settings won’t change.
. Your PC settings will be changed back to their defaults
. Apps from Windows Store will be kept
. Apps you installed from discs or websites will be removed.
. A list of removed apps will be saved on your desktop.
What do you mean by the "Email icon"?