I am sad to say the problem was on my side
I subscribed to the next year's antivirus program over the weekend. I could not understand why Sense worked before but not today. The only thing that changed was the Antivirus. I disabled the Antivirus, firewall etc and all the problem were gone.
I still need to figure out which part of the Antivirus is causing the problem. But at least the source of the issue is identified.