Connectify is a program that allows you to share your wireless connection to create a wifi hotspot for other devices like phones, etc.
Connectify for Windows - Turn your Laptop or Smartphone into a Secure Wi-Fi Hotspot If you don't need or want this, you can uninstall it: Control Panel > Uninstall a Program.
Check that Chrome, and not IE, is the default browser.
Chrome: Wrench icon > Options > (bottom of the page) Default browser > Make Google the default browser.
Are you sure there are no other services, programs, or documents that could be prompting IE to open?