COLORSYNC UTILITY

I RECEIVED AN EMAIL WITH A PDF DOCUMENT AND WENT TO OPEN THE DOCUMENT ALONG WITH OPENING DOC. COLORSYNC OPENED AS WELL. THEN I TRIED TO PRINT THE PDF AND COLORSYNC WILL NOT PRINT. ALL OF A SUDDEN THIS APPLICATION HAS OPENED AND I'M STUCK TRYING TO CLOSE OUT COLORSYNC AND WHY HAS IT SUDDENLY APPEARED WHEN THIS HAS NEVER HAPPENED BEFORE. PLEASE ASSIST WITH ANY SUGGESTIONS THANK YOU