Error: Could not find or load main class net.minecraft.client.main.Main
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
Ah, I had this same issue with 1.9 when it first came out. Turns out (at least for me) that it had not downloaded completely. Try going to .minecraft
(in windows type %APPDATA%/.minecraft in your file explorer), open Versions then delete the version that won't launch and redownload. Hopefully that fixes it.
Rollback Post to RevisionRollBack
Playing Minecraft since 2013.
The difference between stupidity and genius is that genius has its limits -Albert Einstein
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Minecraft version 1.10,1 is not launching.
Error: Could not find or load main class net.minecraft.client.main.Main
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
Ah, I had this same issue with 1.9 when it first came out. Turns out (at least for me) that it had not downloaded completely. Try going to .minecraft
(in windows type %APPDATA%/.minecraft in your file explorer), open Versions then delete the version that won't launch and redownload. Hopefully that fixes it.