I think my Minecraft on my computer is broken or something. I can't seem to open my inventory. I keep pressing the E key but it doesn't open. I looked at the controls, but the controls were set to default, and the default key for inventory is the E key. I thought my E key was broken, so I tried it in Word, but the key still works. I then went to some other programs and tried it, but it still works.
Another problem is the computer is now usually laggy when I play Minecraft; it only happens in Minecraft, no other games. It's like I was walking right, and then there was lava in front of me so I pressed S, but I fell into the lava. It's like a slow reaction. When I press multiplayer, all the servers in the list all say: "cannot reach server" , or "communication error". I can connect to the Internet, so that's not it.