I work in Vanilla style Minecraft in version 1.8.4 and I am playing a survival style map with cheats ON. I am POSITIVE that I am on game-mode 0 and after switching back from creative to survival; I am unable to receive the block after mining it. I tried ALL types of tools and NONE of them work!
I rebooted and ran Minecraft setup wizard repair on the files. I cant have a virus because I have Norton. My mouse settings are fine and the problem only appears on the one server that I play on. I have a house, a horse named Shadow and a dog named Gandalf that are at stake!