Hey all. This is my first ever post here. I was going to post in the Windows 10 area about computer problems but I have figured something out. I was using Avira free. My computer always seemed to be pretty slow and there seemed to be a lot of hesitation when doing just about anything. Especially irritating was the lag in composing emails or writing anything online. I ran about every free anti-virus program I could and found nothing. Then someone told me it was Avira. So, I thought I might try switching to Avast. I did this yesterday and it only seemed to get worse! I was online and talk about slow! Geeze! I couldn't get a web page to load without freezing and sputtering! I was on EBay and it was taking forever to look at anything. Now, I am on the lowest rung of AT&T Uverse and I understand the word fast will not be seen much but still. This morning I removed Avast and went back only to Windows Defender. What an improvement! I don't understand this. Why are these anti-virus programs slowing me down so much?