I had Cursor FX4 installed and working properly when I mistakenly installed and activated an old .curxptheme cursor. For some reason, this caused any new cursor activation to no longer work. 

I deleted the .curxptheme cursor; uninstalled Cursor FX4 with the necessary reboots; and re-installed Cursor FX4 with the reboots. 

This did not remedy the situation. I am now stuck with the default Windows cursor.

Any suggestion on what other steps I need to take to perform a clean re-install?

Thanks.