My OS is windows XP, I’ve didn’t use another antivirus I used Avast only and never removed it. I don’t have a firewall but in my network connections it says that my connection is firewalled, probably via my ISP, I’m guessing. I also have a Linksys firewall router but my connection doesn’t go through that, other devices do.

This is not actually completely related to context of this post but avast failed on me for the first time 3 days ago and allowed a rootkit and multiple viruses in, when I got the popup, so I had to reinstall everything from scratch, wonder why it failed there (again this is statement probably needs it’s own thread so feel free not to comment on it if you don’t wish to)