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NOTE: In some countries, VPN Proxy One Pro is still called Trend Micro WiFi Protection.

You received this error because of the following reasons:

  • Time and Date is incorrect
  • Corrupted installation

Here's how to fix it:

Enable Automatic Date and Time
  1. On the bottom-right corner of the screen, right-click the time, then select Adjust Date/Time.
  2. From the settings window, click Date & time, then select the box for Set Time Automatically.
 

If not resolved, proceed with the next steps.

Reinstall
  1. Click the Start , then go to Settings > Apps > Apps & Features. You can also access it via the shortcut button below:

    Windows Apps & Features

  2. Search for VPN Proxy One Pro or Trend Micro WiFi Protection, then click Uninstall.
  3. On your keyboard, press the Windows + R keys.
  4. In the Open field, type %programdata%/Trend Micro/, then click OK.
  5. Delete the TMWP folder.
  6. Once deleted, proceed with deleting temporary files.
  7. Download the Trend Micro app from the Microsoft Store.