(example: 2.79b release)
(example: 2.80, edbf15d3c044, blender2.8, 2018-11-28, as found on the splash screen)
Short description of error
I cant select with left click.
Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).
open up the preferences menu "ctrl alt u" go to input select left then apply. you cannot select with left or right click