However, versions prior to 1.6 do not properly work with non-default directories so it's best to run newer versions in a separate directory.
See this: https://bugs.mojang.com/browse/MCL-1394
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Say something silly, Laugh 'til it hurts, Take a risk, Sing out loud, Rock the boat, Shake things up, Flirt with disaster, Buy something frivolous, Color outside the lines, Cause a scene, Order dessert, Make waves, Get carried away, Have a great day!
mc version 1.4.7 crashing on start
paste.ubuntu.com/p/W2k4KhVjZ4
Use separate directories for older versions of Minecraft.
https://help.mojang.com/customer/portal/articles/1475923-changing-game-versions
However, versions prior to 1.6 do not properly work with non-default directories so it's best to run newer versions in a separate directory.
See this: https://bugs.mojang.com/browse/MCL-1394