Google Chrome has posted a notice that the Cricut plugin will soon be unsupported. Do not be alarmed, a Cricut update will be released shortly to resolve this issue.
 

Announcement about Cricut DesignStudio®

In order to focus our attention and resources on creating and improving the Cricut® experience, we will not be providing further updates to the Cricut DesignStudio® software. In addition, any cartridges released after April 11, 2013 will not be updated to appear in the Cricut DesignStudio® software. We will still offer support, but there will be no additional content updates for the Cricut DesignStudio® software.

Cricut® DesignStudio Support

Program Update
Cartridge Update 1
Cartridge Update 2
Info Tool