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To use the Case Diagnostic Tool, follow the steps below:

  1. Download the CDT zip file, cdt-26-win-en-1270.zip.

     
    Make sure to select the latest version available for your operating system.
     
  2. Extract all the content of the zip file into a local directory on your computer.
  3. Run the CDT.
  4. Start the application.

    1. Accept the agreement.

      License Agreement - Case Diagnostic Tool

    2. Click Start.

      A window appears showing Trend Micro products being detected.

      Detecting Trend Micro products - Case Diagnostic Tool

  5. Select the products installed.

    Select the products installed - Case Diagnostic Tool

    If more than one product is detected, scroll down to display all the other events and components, and select them.

  6. Debug Windows.

    If you are able to reproduce the issue:

    1. Click Start Debug Mode.

      Start Debug Mode - Case Diagnostic Tool

    2. Wait for the debug mode to change to “ON”.

      debug mode ON - Case Diagnostic Tool

    3. At this point you are ready to reproduce the issue. Collect a screenshot of any message you might see on the screen.

    If you are not able to reproduce the issue, or debug is not required, then you can click Skip and go to Step 7.

  7. Once the issue has been reproduced, click Stop Debug Mode and it will be turned off.

    Stop Debug mode - Case Diagnostic Tool

  8. Collect the logs.
    1. Name a folder where the logs will be saved.
    2. Select Today's logs.

      Select Today's log - Case Diagnostic Tool

    3. Write any comment you want to add, or a detailed description of the issue (if not already provided). If you have nothing to add, just write “nothing to add”.

       

      You need to write something here. Otherwise, you will get this error message:

      Case Diagnostic Tool error message

       
  9. Generate the logs.

    Generating diagnostic data - Case Diagnostic Tool

    When the application is complete, a new folder and zip file will be created in the directory you named in Step 8a.

    Diagnosis completed - Case Diagnostic Tool

  10. Click Open Folder to open the folder where the CDT report was saved.
  11. Click Finish to close the CDT.