[FIXED] Restarting my computer and reinstalling again seemed to have worked. Unsure if reinstall was necessary but I have no way to test.

I am able to move a few pixels to either side by spamming A and D, and similarly can only jump by spamming jump and another button. Strangely pressing Q or E would also cause me to jump. I am also able to toggle inventory by spamming Q and another button. I am still however able to use items in my inventory and toolbar by clicking to select the tool.

This happens regardless of world or character, and persists to new characters and worlds too. The glitch began unexpectedly and without reason upon loading into a world today; I play without mods and have not altered any files.

I have verified my files and one file keeps failing to validate, however it is never repaired. Reinstalling the game has had no effect on the glitch.

Has anyone else encountered this problem before, and if so were you able to fix it?