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Tax Australia: Error: Unable to establish a connection to application "aTBatchProcess.advStartApp"(COM)

This error typically occurs when the Batch Processing application is already running in the background or is unable to start correctly.

There are four possible resolutions. After completing each step, test the lodgement process before moving on to the next solution.

Option 1: End the Batch Processing Task

  1. Press Ctrl + Alt + Delete and open Task Manager.

  2. Locate aTBatchProcess in the list of running processes.

  3. Select it and click End Task.

  4. Attempt to lodge again.

Alternatively, restart the workstation to ensure any background Batch Processing tasks are cleared.

Option 2: Run Batch Processing as Administrator

  1. Navigate to the ADV2000 folder.

  2. Locate aTBatchProcess.exe.

  3. Right-click the file and select Run as administrator.

  4. Confirm that the Batch Processing window opens successfully.

  5. Retry the lodgement.

Option 3: Repair APS Practice Management

  1. Open Control Panel, Programs and Features.

  2. Locate the latest installation of APS Practice Management.

  3. Select Repair and follow the prompts.

  4. Once the repair is complete, test the lodgement again.

Option 4: Reinstall Tax Components

  1. Uninstall the following Tax components:

    • Tax Forms 2001-2011

    • Tax Forms 2012-2018

    • Tax Forms 2019-2026

    • The latest Tax installation

  2. Copy the installation files to a folder on the local drive.

  3. Reinstall the Tax components from the local copies of the setup files.

  4. Test the lodgement process again.

If the error continues after completing all four steps, further investigation may be required to identify environmental or installation-related issues.

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