When I left for vacation 2 weeks ago, I shut down my aging computer work computer (the computer supplied by the company for me to VPN in to work). This computer runs Windows XP. I returned to work last week. Ever since firing the computer back up, it opens a copy of Chrome every 12 hours or so. I don't have Chrome set as my primary browser. This morning when I woke the computer from its weekend slumber, there were 5 instances of Chrome open. Tomorrow morning, there will be one or two instances open. Every "copy" that is open is open to my home page and nothing more.
What setting do I need to change to stop it from doing this?