Troubleshooting "Instrument Shell has Stopped Working" on the NovaSeq 6000

The "Instrument Shell has Stopped Working" error on the NovaSeq 6000 is a Windows error that generally indicates transient communications issues or hardware problems. This error will manifest as the Control Software crashing, and the pop-up shown below appearing on the screen.

Instrument Shell has stopped working. A problem caused the program to stop working correctly. Please close the program.

  • Close the program

  • Debug the program

To Troubleshoot:

  • Power cycle the instrument. For further information, search for Knowledge Base article How to Power cycle the NovaSeq 6000 System.

  • Collect the following files:

    • NovaSeq Control Software logs folder: C:\ProgramData\*\Illumina\NovaSeq\NovaSeq Control Software\Logs (zipped)

    • Windows logs - After collecting the logs, contact Illumina Technical Support (techsupport@illumina.com) to determine the next steps.

For any feedback or questions regarding this article (Illumina Knowledge Article #6676), contact Illumina Technical Support techsupport@illumina.com.

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