Here are some vpn issues are

Connection Issues: This is undoubtedly the most prevalent issue; it covers issues concerning connection to or staying connected to a reliable VPN server. It can be as a result of micro-processes such as overloading of the server, wrong input of the passwords, firewalls and outdated software.

Slow Speeds: VPNs can at some times cause a drastic drop in internet speed. This could be because of distance of the server delivery, congestion on the network, or the overhead brought about by security requirements.

Data Leaks: While it is their main job to add anonymity to your internet connection, many VPNs might still send your real IP address or DNS requests. This can blot out your internet privacy.