If you still use Windows XP and use Google services (GMail, Drive, Calendar, etc), you'll soon encounter issues using Internet Explorer unless Microsoft updates it (unlikely). You'll have to switch to Google Chrome or Firefox to continue connecting to Google's services. They're upgrading to stronger encryption that IE on Windows XP doesn't support.

Google's certificate announcement contains a hidden surprise for Windows XP users
Are you an IT administrator still caring for Windows XP computers that are running Internet Explorer? Google's latest announcement brings another good reason to upgrade your systems or switch to…