Just a note. I noticed the movement came back after my PC rebooted, but soon after would stop again. When I restarted my steam client, it would also come back and soon after stop again. Since the last week, the movement has been available without stopping. It's probably something that got fixed on ...

Is there an "all force" method? When I go to controls, everything is standard. When I change the WASD to something else, there is a red "undo" type button that appears and I can "reset to default 1". I did that for all WASD and still occurring. As mentioned though, I can move "South" or "West", just ...

Player character cannot move south-west (lower left). All other directions are fine. I've only tried with player character and spidertron (haven't tried any other vehicles).