Confirmed here on Windows 10 X64
Best posts made by dnzrzx34
Latest posts made by dnzrzx34
RE: Opera 78.0.4093.68 beta updateBlogs
you can try to deactivate QUIC protocol in your browser.
For example in Opera browser type opera://flags/, search for quic and deactivate it.
if you use a security software, for example Avast, with a QUIC-security-component try to disable it.