NGS Initialization Error 0xe1600301

If you're receiving an "NGS Initialization Error 0xe1600301" while attempting to launch the MapleStory Client, there could be an issue with the BlackCipher.aes process hanging in the background which would cause your client to crash. 

To resolve this issue please use the following workaround:

  • Open Task Manager by right-clicking the Taskbar, and then clicking Start Task Manager.
  • Open the Processes tab and manually end the "BlackCipher.aes" process, as well as any additional Nexon related processes. 
  • Find any running Nexon related programs in the Applications tab and manually end each task.
  • Relaunch MapleStory.
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