BTC Sessions on Nostr: Need some networking help here. Tag anyone that might be able to help! My laptop ...

Need some networking help here. Tag anyone that might be able to help!

My laptop suddenly started blocking a number of websites on my browser (tried many browsers). Today I was setting up a new wifi router and anything connected to that works fine. However, my laptop hardwired to the modem is now exhibiting the browser blocking for a lot of websites. Curiously YouTube still works fine.

Thoughts on how to resolve?