I just installed and run MalwareBytes (quick scan). 5 infected objects: Adware.MyWebSearch, Trojan.Fraudpack, Spyware.OnlineGames, Disabled.SecurityCenter (2 entries) were found. I removed them and restarted computer. Up to now, I do not see the "Verify Subscription" message pops up. I'm doing the MalwareBytes Full scan now and will post the result later. Thanks.