Upgraded to 1.6.2. I play the game. Everything is fine. I save and quit game. Next time I get into the game it has reverted to 1.5.2. I have tried it dozens of times using the correct window launcher
Comments 3
Please attach ([minecraft|http://hopper.minecraft.net/help/finding-minecraft-data-folder]/launcher_profiles.json
).
Please attach the complete output of the "Development console" tab of the launcher.
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If the launcher closes after game start, please edit your profile and select "Launcher visibility" then, "Keep the launcher open".