I need to transfer the pictures from Coolpix S550 to

Please see the following blog article, as it describes the use of an inexpensive card reader as a much easier, faster, and less error prone way to download your photos. In fact there are several important reasons discussed in the article for using a card reader vice downloading from the camera. USB Card readers are also very inexpensive these day, with cost virtually not an issue:
http://camerarepair.blogspot.com/2009/01/how-do-i-download-photos-or-pictures.html