I am not a computer know it. But, using your second computer, log onto AS, then, on your snipe page, click on the snipe it now button. Then follow the instructions. See if that will work for you.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .