A VPN should change how things work. Messaging is on the data side so a VPN could break things.
Back to your VPN support to ask them for a fix.
I don't use a VPN on my phone, but that's me. I can't see why I'd use one for how I use a smart phone today. I'm just a seasoned programmer so may I'm not scared into installing such a thing.
have sympathy and don't laugh please I installed Avast VPN (I also use Avast free antivirus and Safe zone). My computer is running well. My question is; can my settings/programmes affect the functions of my 2 old mobile phones, both of which refuse to send, and/or reply to text messages. I was just wondering if my VPN could affectthe ph signals