Just rename it to launcher_profiles.json and replace the existing file. The new launcher should have created a file called launcher_ in your Minecraft data ( %appdata%) folder. You can prevent that by launching the launcher.jar file it downloads to the Minecraft data ( %appdata%) folder when you first launch it directly. Using this directly to launch the game will show a message that you should update the launcher. If the old Minecraft.exe launcher is not working for you, you can download the 'Linux / Other' variant. Nethertheless, you can report bugs regarding the old and new launcher on the bug tracker (if they are not already reported) to make sure the devs are aware of them. Therefor I wanted to create this post to provide steps to download and use the old launcher. There are sadly some bugs with the new launcher which prevent players from playing. (#spoiler) = neat! (/rose) = ( full list) News Builds Gameplay Maps Tutorials Redstone Command Blocks FanArt Comment Formatting Use the wiki or community support for questions that can be answered there.

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Minecraft download is the old launcher