No Internet Connection

My internet connection keeps going in and out and I was informed by my ISP that its not on their end. I was informed that I may have a virus that is pinging my IP address that knocks my computer offline but I have run avast and no virus’ were found. Please help!

If you want a check for malware (and other culprit), you have posted in the wrong forum.
Follow these instructions > https://forum.avast.com/index.php?topic=194892.0