Instead of using the install icon on the desktop, try starting the installer from a terminal (Konsole) and when it hangs, if it does, take a note of the error/s and post them back for others to look at. They may indicate what the problem is.
regards.
Can't use a terminal on a program that has my computer locked. Can't even move the mouse.
=Dave=
That does not make any sense to me.
If it is not locked sufficiently to click on the launch icon then it is not locked sufficiently to launch a terminal and type in a command ......