Exception in thread "Client thread" [18:41:27] [Client thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException
[18:41:27] [Client thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:30)
[18:41:27] [Client thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at java.lang.SecurityManager.checkExit(SecurityManager.java:761)
[18:41:27] [Client thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at java.lang.Runtime.exit(Runtime.java:107)
[18:41:27] [Client thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at java.lang.System.exit(System.java:968)
[18:41:27] [Client thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:138)
[18:41:27] [Client thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
[OptiFine] Version found: H5

纯净客户端也打不开 好急啊

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