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Code42 Support

Resolve JET runtime unrecoverable error

Applies to:
  • Code42 CrashPlan (previously CrashPlan PROe)


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


CrashPlan app version 5.x and later.

Recommended solution

Follow the steps below to restart the Code42 service.

  1. Open the CrashPlan app.
  2. If necessary, sign in to your account.
  3. Use the keyboard shortcut for your operating system:
    • Windows: Ctrl+Shift+C
    • OS X: Option+Command+C
    • Linux: Ctrl+Shift+C
      The CrashPlan command-line area opens.
  4. Enter this command:
  5. Press Enter.
    This closes the CrashPlan app, reauthenticates the CrashPlan 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 CrashPlan app logs and contact our Customer Champions for Code42 for Enterprise support.