Hello! I noticed a few days ago that my laptop was spawning random tabs that have a popup window telling me to update my Windows 7 or other programs. This has made my Steam completely unusable because it will immediately pop up when trying to access the community page, and cannot be closed. I scanned it with Malwarebytes, Avast!, Spybot Search & Destroy, and Ad-aware, and nothing was found.
I told my father about this and he told me he had the same problem on his tablet, which is also connected to the network. He had to wipe it completely. Last night, I used my phone on the network, and it has also received popups telling me to download something. I turned off the network and do not appear to get them anymore. I scanned it with mobile Avast! and found nothing.
Finally, I am using my desktop computer which is also connected to the network, and am receiving the same popups. I don't know the exact source, so I'm not sure how we could be go about cleaning it off.
My other computer is using Windows 7, this one is using Windows XP, and my phone/tablet are both running android systems. This appears to affect any browser.
Any help would be great! I am having problems finding someone with the same issue, especially since it affects the network so it's hard to find the exact source, and it is also affecting our Android systems!