To resolve the issue please follow these steps in the order.

1. Restart the computer and check if the issue resolved, else proceed to next step.
2. Re-launch the app and complete the signup and check if the issue is resolved.

Advanced Troubleshooting:

Cause 1: Error message Details for SentinelAICommunicator {UserName} , if Task is not available

Resolution:

1. Launch SentinelAI application from desktop shortcut or Restart the system