Whenever I turn on or reboot my system, my AVG is automatically on...Windows Firewall is too. I do not show a connection icon at this time, and as far as I know, I'm not connected, because if I try to pull up a web page during this time, I get the "no connection to internet" page. This lasts for maybe 10-15 seconds. Then I'll get a Windows warning that AVG is turned off, followed shortly by another warning that my firewall has been turned off. Next, shortly after that, maybe 10-15 seconds later, I will see my connection icon come on, immediately followed by AVG coming on and then the firewall. This started happening about 3 days ago. I cannot figure out what is going on with it, except that it might have something to do with an event that happened 3 days ago as well.
Everything was fine up until late afternoon when my hub had tried to connect the laptop, and said that he couldn't get a connection. Our router, a Linsys wireless G, had it's connection light flashing white, not the normal steady orange glow. No idea what caused that, but okay, I turned off the modem, disconnected the power from the router, turned the modem back on, and once DSL was established, powered the router back up. Everything worked fine.
The next morning, not only do I notice the above bizarre behavior with the firewall and AVG, I'm also being told by Windows Defender as well as AVG that a change has been made in my hosts file. No idea what a hosts file is-but I Google that, read up on it, and hunt it down. The change was made about an hour and a half after the event above occurred. I look at this file, and nothing seems out of the ordinary when I compare it to the hosts file on my other CPU, except that the bottom number is 101, not 100...but in the scheme of things, both numbers are in range of the addresses set by the modem. Nothing else added.
I have no idea what is going on here, but it just seems very suspicious to me. I've done numerous scans with AVG, Defender, trying to find some sort of virus or something, but nothing comes up aside from the fact that both note my hosts file was changed. I've considered rewriting the hosts file to the same information given on my other computer, but not sure if I should do that-not sure of what kind of change was made in the first place. I've considered a system restore to the checkpoint for a day before this happened, but I'm not sure that would fix anything either, really, aside from one other problem that occurred at the same time as the hosts file changed, that being my WIA service hung on starting, has been "terminating unexpectedly" and I've been having a problem with that ever since, too-can't get it to run (posting this problem in another post here.) I'm just not sure what to do about this, but it leaves me with a very uncomfortable feeling every time I boot up and see this happening with my firewall and AVG. Any ideas?
Sorry for rambling. I'm just lost as to what to do. Thanks.