My-space-bar-doesnt-work-every-time-I-press-it-it-counts-as-enter-instead?

Answer 1

Sounds like a new keyboard is in order. You can first try turning off the computer and taking the keyboard connection out and then reseating it to see if this will make a difference.

If not, then a new Keyboard seems the likely solution.

Answer 2

You might want to try a new keyboard to make sure that it is the keyboard and not anything else.