When I open Minecraft and click play in the update menu, the program just restarts leaving me in the menu again. Even when I restart the computer and log out and back in, nothing changes.

4

1 Answer

Ensure your using the latest launcher:

Ensure your using the lastest java:

It it works great, if not continue:

Move %APPDATA%.minecraft\ on to your desktop and try running the new launcher. If it works great! move your worlds, servers, exc into the new area. If not come back with a pastebin of the development console via the new launcher.

Summary

1. Move .minecraft
2. Try New Launcher
3. Move .minecraft important files back to original location