Due to various glitches occurring on my laptop, I finally had to clear HD & do a complete clean install of all my apps, etc. When I re-downloaded LR4 beta the type module issue was resolved Thanks Danielle
Due to multiple glitches on my laptop, had to do a complete HD wipe, clean install of OS, etc. Upon re-installing LR4 beta, the type triangle appeared, and the next day LR4 officially launched