Simple as that. When you close Minecraft (the game), it closes the game and takes you back to Minecraft (the launcher). Doing Alt+Tab and just switching the screen doesn't do anything, but actually clicking the minimize button closes it.
MC-40270
Minimizing Minecraft closes Minecraft and takes you back to the launcher
Resolved
Duplicate
0
Brandan Novak
(Unassigned)
Unconfirmed
crash
Minecraft 1.6.4, Minecraft 13w42b, Minecraft 13w43a, Minecraft 1.7.1, Minecraft 1.7.2
Retrieved
Please attach the complete output of the "Development console" tab of the launcher.
Click the text, press CTRL-A to select all, then CTRL-C to copy, and CTRL-V to paste in a comment on this ticket.
If the launcher closes after game start, please edit your profile and select "Launcher visibility" then, "Keep the launcher open".