Read the black bar above the forum. Since I have no idea what was in the duelit log, I’d guess your window scale is not set to 100%.
You can leave the bot on and it’ll just cycle through the screens untill another NPC spawns and then it’ll duel them. See here for more info: https://www.easyasfark.com/forum/showthread.php?tid=130
The speedhack is used to get through the NPC duels as fast as possible, useful for doing boosted orb runs.