Your version of Windows:
Windows 10 Home
Version 21H2
Installed on 16-May-21
OS build 19044.2604
Experience Windows Feature Experience Pack 120.2212.4190.0
Your version of Opera: 96.0.4693.31
A description of the problem:
"There was a problem with VPN connection. Open Opera for details", a popup window said
Error details
CoId={E0C76C28-9CB1-4D04-B30B-DD33F073B1F0}: The user SYSTEM dialed a connection named OperaVPNService which has failed. The error code returned on failure is 87.
Steps to (try to) reproduce the issue:
press the "connect" button, then a window moves up from right bottom. That's the Error report window.
Addition info:
I tried all methods, like reinstall opera browser, VPN Pro and restart PC within 3 days. But nothing helps.