If things are not working as exspected, or if you simply wanna reset things to factory settings with Cosmos.

Remember, this will remove all your favorites actions, past searches and User-Actions.

• Navigate to the following path
  Windows Vista and Windows 7
  \Users\<username>\Documents
  Mac OS X
  ~<username> (Home folder)
  Linux (64-bit)
  ~<username>
• Remove the following folder “cosmosPrefs”
• Restart Maya and follow the tutorial (press the hotkey after startup if Cosmos dont start by itself)