Enables detailed logging to identify the root cause of issues.
The primary purpose of the DTK is to debug and uninstall Trend Micro software. For general malware removal, use the dedicated Anti‑Threat Toolkit (ATTK) instead.
Have you successfully used the verified Trend Micro Diagnostic Toolkit to solve an error? Share your experience in the comments below, or contact Trend Micro Support directly via the help center.
If you cannot access a verified download (e.g., due to a complete internet lockdown), consider these alternatives:
To guarantee your system's safety, always bypass third-party download hubs. Follow these instructions to secure an authentic copy. Step 1: Navigate to the Official Support Portal download trend micro diagnostic toolkit verified
If you cannot open the built-in toolkit or need to remove leftovers from a failed installation, Trend Micro provides a verified Uninstall Tool
If the toolkit is missing, you can download the verified (which contains the diagnostic toolkit) from the official website: Visit the official Trend Micro Support Site. Search for "Support Tool" or "Diagnostic Toolkit." Download the executable file (SupportTool.exe). Run the file as an administrator. How to Use the Diagnostic Toolkit for Troubleshooting
Last updated: May 2025. Trend Micro Diagnostic Toolkit version 10.2.0.xxx (as provided via official channels). For the most current download link, always visit helpcenter.trendmicro.com.
To version, always stick to the official Trend Micro Help Center. Using the digital signature check ensures your tool is legitimate, providing a safe path to fixing your security software and keeping your digital life protected. Enables detailed logging to identify the root cause
Navigate to C:\Program Files\Trend Micro\Titanium (or the folder matching your specific product version, such as UniClient ). Look for the file named or TmDiagno.exe .
If you are encountering a specific error code, tell me the number so I can provide the exact steps to fix it.
You may see websites offering a "portable" or "cracked" version of the Diagnostic Toolkit that claims to unlock "Pro features."
If you are trying to completely remove Trend Micro from your PC to fix a corrupt installation, this tab is your best friend. Click on . Select Uninstall Software . Have you successfully used the verified Trend Micro
Type "Trend Micro Diagnostic Toolkit" and select the result. Toolkit Core Features
To re-enable protection, return to this tab and click . 2. Performing a Clean Uninstallation
Trend Micro keeps the toolkit attached to Knowledge Base article KB00098765 (legacy ID EN-105987). The current direct link pattern is: https://files.trendmicro.com/products/tsc/diag/TMDiagToolkit.exe
You generally do not need to download the toolkit from a third-party site. It is usually built into the product, or accessible via the official support website. Method 1: Using the Pre-Installed Tool