Open the Toolkit, go to the tab, and click Stop All Services . If your PC speed returns to normal, you know the issue lies within the software configuration or a conflict with another app. If the software won't update:
Once you have downloaded the verified file, follow these steps to begin troubleshooting: download trend micro diagnostic toolkit verified
The Diagnostic Toolkit is a powerful administrative tool. Do not click "Uninstall" or "Delete" within the toolkit unless you have backed up your important data and are prepared to reinstall your security suite. Running a PC without active antivirus protection—even for a few minutes—can expose you to threats. Final Summary Open the Toolkit, go to the tab, and click Stop All Services