Its fair to say most VPNs will have the majority of their IP ranges banned now. Aside from some very niche things, like trying to watch iPlayer from abroad, Internet to Internet VPNs do nothing useful anyway (and usually quite the opposite of what they claim to).
Olympia5776 - next time it happens can you get me the exact time and date, ideally to the nearest second, and I'll look at the logs to try to understand why. Unfortunately, looking more than about 20s either side is like pissing in a Force 10 needle-in-haystack due to all the spam traffic, particularly since the Ruski's got a bit pissed off with the rest of the world.
If you flick between real Internet and VPN you really need to fully clear cookies between the sessions (which will mean logging in again), thats what Migalot's issue was.