Hi.
Welcome to Trend Micro Home User's Community!
For this concern, May we ask for the following information so we can check or isolate the problem and provide you with the best solution?
1. What kind of device do you have?
2. Is your OS version updated?
3. Is Trend Micro VPN updated?
4. Do you have any applications that require Bluetooth to be turned on?
5. What troubleshooting steps have you taken?
6. Did you encounter the issue after the installation of the VPN or after you turned it on?
7. Do you have any Trend Micro Security app installed on your device?