Issue with ‘Ctrl+z’ (has stopped working)

Reset preference's can't reset the Global undo, coz users thinking about some issues as broken after reset blenderartists.org/t/ctrl-z-has-stopped-working/625200 blender.stackexchange.com/questions/131718/undo-is-not-working-2-8/184263

• there is many posts about this type question, I hit me on to this problem many times