Click on the 'Settings' link when you are within a Workspace

Once you are on the settings page you can do the following:
GlassCubes does not support Internet Explorer 6. Upgrade to a newer version or download and use an alternative browser from the links below: FireFox Safari Google Chrome Latest IE
IE6 was released in 2001 - its very old, has many security weaknesses and you are very susceptible to virus, phishing, harmware.