代码如下：

[18:36:05] [ProcessMonitor/ERROR]
---- Hello Minecraft! Crash Report ----
  Version: 2.7.8.42
  Time: 2017-09-25 18:36:05
  Thread: Thread[ProcessMonitor,6,main]

  Content:
    java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.FutureTask@1e15ad5d rejected from java.util.concurrent.ThreadPoolExecutor@5b1720fb[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 76]

    at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(Unknown Source)

    at java.util.concurrent.ThreadPoolExecutor.reject(Unknown Source)

    at java.util.concurrent.ThreadPoolExecutor.execute(Unknown Source)

    at java.util.concurrent.AbstractExecutorService.submit(Unknown Source)

    at java.util.concurrent.Executors$DelegatedExecutorService.submit(Unknown Source)

    at org.jackhuang.hmcl.util.Log4jHandler.newLogLine(Log4jHandler.java:115)

    at org.jackhuang.hmcl.ui.LaunchingUIDaemon$PrintlnProcessor.accept(LaunchingUIDaemon.java:183)

    at org.jackhuang.hmcl.ui.LaunchingUIDaemon$PrintlnProcessor.accept(LaunchingUIDaemon.java:166)

    at org.jackhuang.hmcl.api.event.EventHandler.fire(EventHandler.java:59)

    at org.jackhuang.hmcl.util.sys.ProcessThread.println(ProcessThread.java:97)

    at org.jackhuang.hmcl.util.sys.ProcessThread.run(ProcessThread.java:80)



-- System Details --
  Operating System: Windows 10 (amd64), 10.0
  Java Version: 1.8.0_144, Oracle Corporation
  Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation

如题，打开启动器启动游戏后就会出现这个错误。虽然出错但是似乎不影响游戏。。。请问是哪里的问题？该怎么解决？

你可以换一个启动器，就是呢个小黑头像的启动器

这是hello minecraft和最新版forge之间产生的bug，无需处理，你可以把hmcl设置为“启动后关闭启动器”就不会看到这个错误报告了

成功了，谢谢！