[MCL-3920] doesn't load 1.8 versions and 1.9 versions

My minecraft doesn't load 1.8 versions and 1.9 snapshots

Linked issues

duplicates 1

MC-79947 Starting game fails with error "com.google.common.base.Preconditions.checkNotNull" (corruped usercache.json) Resolved

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Comments 2

Torabi 2015-08-28T14:40:56Z

Duplicate of MC-79947. Try renaming or deleting the usercache.json file in your [Minecraft data folder|http://hopper.minecraft.net/help/finding-minecraft-data-folder], as it may have been corrupted.

migrated 2015-08-29T05:25:58Z

It works thank you.