Does the VPN service take control of my PC?

Question

linux

Hello everyone, I immediately apologize for the noob question, but I do not understand system administration and so on.
Actually, I have Ubuntu. Connected via OpenVPN today. I went out for coffee, I come back - all the windows are blinking, as if someone is moving them around the screen. What is it? Someone climbed into my PC?
Returning to the question - if I connect to some server via OpenVPN, does this mean that the admins of this server can easily get into my PC?

Answer 1

VPN is an additional secure network to your computer. By itself, it is not a remote administration tool, although with a clumsy setup of your PC, admins will be able to execute commands on it.