Unable to Contact Trend Micro: Error 403 from Trend Micro VPN

This error may occur due to incorrect time settings or a corrupted installation. Follow these steps to resolve the issue:

How do I fix the time and date settings to resolve Error 403?

1. Right-click the time on the bottom-right corner of your screen and select Adjust Date/Time.
2. In the settings window, click Date & time and ensure the Set Time Automatically box is checked.

What if adjusting the time and date doesn't work?

If the error persists, try reinstalling the Trend Micro VPN:

1. Open Settings by clicking the Start button, then navigate to Apps > Apps & Features.
2. Search for Trend Micro VPN, click Uninstall.
3. Press Windows + R keys, type %programdata%/Trend Micro/, and press OK.
4. Delete the TMPWP folder and any temporary files.
5. Reinstall the app from the Microsoft Store.