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.

      

   2. Click Start.

      A window appears showing Trend Micro products being detected.

      

5. Select the products installed.

   

   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.

      

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

      

   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.

   

8. Collect the logs.
   1. Name a folder where the logs will be saved.

   2. Select Today's logs.

      

   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:

      

       

9. Generate the logs.

   

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

   

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