It is part of the Protector Suite software. To remove it you must either uninstall the Protector Suite by going to
Start Menu -> Control Panel -> Uninstall a program (or Add/remove programs)and then find Protector Suite and select to uninstall it.
Solution found at http://www.howtogeek.com/forum/topic/how-to-remove-personal-safe-icon-from-my-desktop
Remove the icon by setting an option in the Protector Suite software. This is useful if you for example is using the Protector Suite to manage your fingerprints for logging into your computer. Go to
Start Menu -> All Programs -> Protector Suite -> Control Panel (or equivalent in your language). Open
Applicationson the left hand menu and click
Next you will have to enter a backup password to enable the Personal Safe options. After doing so you should be able to uncheck the option
Show on Desktop. Press Apply and the icon should disappear.
I am using Protector Suite 2009 so location of menu items and such might be different for you.