As Google has updated their Chrome versions, Math In Focus is no longer compatible with Chrome. Use Internet Explorer when using Think Central / Math in Focus with a SmartBoard. It is found in the start menu under "Windows Accessories"
The site log in is: https://www-k6.thinkcentral.com/ePC/start.do
NOTE: Internet Explorer & Microsoft Edge have similar-looking icons. Edge will NOT work. The Internet Explorer icon is light blue with yellow. It likely is not be showing in your taskbar.