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Code42 Support

Resolve JET Runtime unrecoverable error

Available in:

Small Business
Applies to:


In some rare scenarios, the Code42 app may close unexpectedly with the following message: "JET Runtime has detected unrecoverable error."


Code42 app version 5.x and later.

Recommended solution

Follow the steps below to restart the Code42 service.

  1. Open the Code42 app.
  2. If necessary, sign in to your account.
  3. Use the keyboard shortcut for your operating system:
    • Windows: Ctrl+Shift+C
    • Mac: Option+Command+C
    • Linux: Ctrl+Shift+C
      The command-line area opens.
  4. Enter this command:
  5. Press Enter.
    This closes the Code42 app, reauthenticates the Code42 app with the Code42 server, and then restarts the Code42 service.

For additional details and advanced restart process instructions, see Stopping And Starting The CrashPlan Service.

If you continue experiencing this issue after restarting the Code42 service, gather the Code42 app logs and contact our Customer Champions for Code42 for Enterprise support.

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