No, Wireshark was not running or at least I didn't see it.   I don't know the port anymore because I deleted it. It was probably a VM, I think the Display measures I saw in nanocore were 800x800 and I used a VM that had these quarter windows once Update: Last night I left my computer on due to Ethereum mining and had 1 browser window open. When I got up and looked at my screen, the browser window was closed and I was on my Steam Account Page where I can see my Payment Metho