PC
1. Quit Illustrator.
2. Rename the AIPrefs file (for example, to AIPrefs.old) in the Users/(user)/AppData/Roaming/Adobe/Adobe Illustrator CS3 Settings folder.
3. Start Illustrator. Illustrator creates a new preferences file.
Mac
1. Quit Illustrator.
2.Go to User/username/Library/Preferences/ Adobe illustrator CS4 Settings and trash the settings folder, the whole folder not just the contents of the folder..
3. Start Illustrator. Illustrator creates a new preferences file.
Other wise a corrupt font or font cache file or conflict with a plug in or other software.
It works fine here.It does not update on the canvas on a Mac.
