Okay well, i installed the free Maya personal learning edition untill i can afford the real thing, and my "move, rotate, and scale tools do not let me left click them to activate that tool, its the same when i right click and hold it down for the quick menu, that doesnt show up either, what is going on can anyone help?

i have uninstalled and reinstalled 4 times, i have deleted all the pref files and still nothing