resource hog

I installed Avast Essential and I have to close and reopen Chrome for it to reach sites and then I have to refresh tabs for those sites to work. I get a warning site not secure for sites I have used before like yours, TomsHardware. I have to click proceed a few times before it will go to those...

Even after I end task on all the Web Viewer 2 and AI child processes, Microsoft Word still uses much more power and resources than Google Chrome. I shut Chrome down and I can still hear my machine grinding away. TaskManager shows 14 times more CPU use, more Memory use, and very high power use...